Home / 8,537.04-11,781.09-5,708.52

Finding the Fourth Proportional to 8,537.04, 11,781.09 and 5,708.52

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Solution

The fourth proportional to 8,537.04, 11,781.09 and 5,708.52 is: 7,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.04 : 11,781.09 = 5,708.52 : x
  2. Step 2: Convert to fraction form
    8,537.04/11,781.09 = 5,708.52/x
  3. Step 3: Cross multiply
    8,537.04x = 11,781.09 × 5,708.52
  4. Step 4: Simplify right side
    8,537.04x = 67,252,587.89
  5. Step 5: Solve for x
    x = 67,252,587.89/8,537.04
  6. Step 6: Final answer
    x = 7,877.74

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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.