Home / 8,237.12-11,367.12-4,511.20

Finding the Fourth Proportional to 8,237.12, 11,367.12 and 4,511.20

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Solution

The fourth proportional to 8,237.12, 11,367.12 and 4,511.20 is: 6,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.12 : 11,367.12 = 4,511.20 : x
  2. Step 2: Convert to fraction form
    8,237.12/11,367.12 = 4,511.20/x
  3. Step 3: Cross multiply
    8,237.12x = 11,367.12 × 4,511.20
  4. Step 4: Simplify right side
    8,237.12x = 51,279,351.74
  5. Step 5: Solve for x
    x = 51,279,351.74/8,237.12
  6. Step 6: Final answer
    x = 6,225.40

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Half scale
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Double scale
Find fourth proportional to 8,238.12, 11,368.50 and 4,512.20
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.