Home / 8,220.32-11,339.84-6,227.36

Finding the Fourth Proportional to 8,220.32, 11,339.84 and 6,227.36

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Solution

The fourth proportional to 8,220.32, 11,339.84 and 6,227.36 is: 8,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.32 : 11,339.84 = 6,227.36 : x
  2. Step 2: Convert to fraction form
    8,220.32/11,339.84 = 6,227.36/x
  3. Step 3: Cross multiply
    8,220.32x = 11,339.84 × 6,227.36
  4. Step 4: Simplify right side
    8,220.32x = 70,617,266.02
  5. Step 5: Solve for x
    x = 70,617,266.02/8,220.32
  6. Step 6: Final answer
    x = 8,590.57

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,221.32, 11,341.22 and 6,228.36
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.