Home / 5,404.47-7,457.50-3,013.88

Finding the Fourth Proportional to 5,404.47, 7,457.50 and 3,013.88

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Solution

The fourth proportional to 5,404.47, 7,457.50 and 3,013.88 is: 4,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.47 : 7,457.50 = 3,013.88 : x
  2. Step 2: Convert to fraction form
    5,404.47/7,457.50 = 3,013.88/x
  3. Step 3: Cross multiply
    5,404.47x = 7,457.50 × 3,013.88
  4. Step 4: Simplify right side
    5,404.47x = 22,475,985.95
  5. Step 5: Solve for x
    x = 22,475,985.95/5,404.47
  6. Step 6: Final answer
    x = 4,158.78

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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.