Home / 8,220.29-12,332.27-2,377.35

Finding the Fourth Proportional to 8,220.29, 12,332.27 and 2,377.35

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Solution

The fourth proportional to 8,220.29, 12,332.27 and 2,377.35 is: 3,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.29 : 12,332.27 = 2,377.35 : x
  2. Step 2: Convert to fraction form
    8,220.29/12,332.27 = 2,377.35/x
  3. Step 3: Cross multiply
    8,220.29x = 12,332.27 × 2,377.35
  4. Step 4: Simplify right side
    8,220.29x = 29,318,128.03
  5. Step 5: Solve for x
    x = 29,318,128.03/8,220.29
  6. Step 6: Final answer
    x = 3,566.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.