Home / 7,154.28-10,721.18-4,027.74

Finding the Fourth Proportional to 7,154.28, 10,721.18 and 4,027.74

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Solution

The fourth proportional to 7,154.28, 10,721.18 and 4,027.74 is: 6,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.28 : 10,721.18 = 4,027.74 : x
  2. Step 2: Convert to fraction form
    7,154.28/10,721.18 = 4,027.74/x
  3. Step 3: Cross multiply
    7,154.28x = 10,721.18 × 4,027.74
  4. Step 4: Simplify right side
    7,154.28x = 43,182,125.53
  5. Step 5: Solve for x
    x = 43,182,125.53/7,154.28
  6. Step 6: Final answer
    x = 6,035.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.