Home / 8,747.04-13,108.78-4,792.38

Finding the Fourth Proportional to 8,747.04, 13,108.78 and 4,792.38

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Solution

The fourth proportional to 8,747.04, 13,108.78 and 4,792.38 is: 7,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.04 : 13,108.78 = 4,792.38 : x
  2. Step 2: Convert to fraction form
    8,747.04/13,108.78 = 4,792.38/x
  3. Step 3: Cross multiply
    8,747.04x = 13,108.78 × 4,792.38
  4. Step 4: Simplify right side
    8,747.04x = 62,822,255.10
  5. Step 5: Solve for x
    x = 62,822,255.10/8,747.04
  6. Step 6: Final answer
    x = 7,182.12

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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.