Home / 8,327.19-11,491.50-4,550.40

Finding the Fourth Proportional to 8,327.19, 11,491.50 and 4,550.40

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Solution

The fourth proportional to 8,327.19, 11,491.50 and 4,550.40 is: 6,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.19 : 11,491.50 = 4,550.40 : x
  2. Step 2: Convert to fraction form
    8,327.19/11,491.50 = 4,550.40/x
  3. Step 3: Cross multiply
    8,327.19x = 11,491.50 × 4,550.40
  4. Step 4: Simplify right side
    8,327.19x = 52,290,921.60
  5. Step 5: Solve for x
    x = 52,290,921.60/8,327.19
  6. Step 6: Final answer
    x = 6,279.54

Related Problems

Find fourth proportional to 4,163.60, 5,745.75 and 2,275.20
Half scale
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Double scale
Find fourth proportional to 8,328.19, 11,492.88 and 4,551.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.