Home / 8,537.04-11,781.89-5,180.71

Finding the Fourth Proportional to 8,537.04, 11,781.89 and 5,180.71

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Solution

The fourth proportional to 8,537.04, 11,781.89 and 5,180.71 is: 7,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.04 : 11,781.89 = 5,180.71 : x
  2. Step 2: Convert to fraction form
    8,537.04/11,781.89 = 5,180.71/x
  3. Step 3: Cross multiply
    8,537.04x = 11,781.89 × 5,180.71
  4. Step 4: Simplify right side
    8,537.04x = 61,038,538.84
  5. Step 5: Solve for x
    x = 61,038,538.84/8,537.04
  6. Step 6: Final answer
    x = 7,149.85

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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.