Home / 5,538.17-7,640.43-3,549.89

Finding the Fourth Proportional to 5,538.17, 7,640.43 and 3,549.89

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Solution

The fourth proportional to 5,538.17, 7,640.43 and 3,549.89 is: 4,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.17 : 7,640.43 = 3,549.89 : x
  2. Step 2: Convert to fraction form
    5,538.17/7,640.43 = 3,549.89/x
  3. Step 3: Cross multiply
    5,538.17x = 7,640.43 × 3,549.89
  4. Step 4: Simplify right side
    5,538.17x = 27,122,691.84
  5. Step 5: Solve for x
    x = 27,122,691.84/5,538.17
  6. Step 6: Final answer
    x = 4,897.41

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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.