Home / 5,476.28-7,560.90-4,215.11

Finding the Fourth Proportional to 5,476.28, 7,560.90 and 4,215.11

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Solution

The fourth proportional to 5,476.28, 7,560.90 and 4,215.11 is: 5,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.28 : 7,560.90 = 4,215.11 : x
  2. Step 2: Convert to fraction form
    5,476.28/7,560.90 = 4,215.11/x
  3. Step 3: Cross multiply
    5,476.28x = 7,560.90 × 4,215.11
  4. Step 4: Simplify right side
    5,476.28x = 31,869,987.39
  5. Step 5: Solve for x
    x = 31,869,987.39/5,476.28
  6. Step 6: Final answer
    x = 5,819.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.