Home / 9,865.29-14,792.45-3,287.90

Finding the Fourth Proportional to 9,865.29, 14,792.45 and 3,287.90

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Solution

The fourth proportional to 9,865.29, 14,792.45 and 3,287.90 is: 4,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865.29 : 14,792.45 = 3,287.90 : x
  2. Step 2: Convert to fraction form
    9,865.29/14,792.45 = 3,287.90/x
  3. Step 3: Cross multiply
    9,865.29x = 14,792.45 × 3,287.90
  4. Step 4: Simplify right side
    9,865.29x = 48,636,005.95
  5. Step 5: Solve for x
    x = 48,636,005.95/9,865.29
  6. Step 6: Final answer
    x = 4,930.01

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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.