Home / 7,474.28-11,213.10-2,280.68

Finding the Fourth Proportional to 7,474.28, 11,213.10 and 2,280.68

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Solution

The fourth proportional to 7,474.28, 11,213.10 and 2,280.68 is: 3,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.28 : 11,213.10 = 2,280.68 : x
  2. Step 2: Convert to fraction form
    7,474.28/11,213.10 = 2,280.68/x
  3. Step 3: Cross multiply
    7,474.28x = 11,213.10 × 2,280.68
  4. Step 4: Simplify right side
    7,474.28x = 25,573,492.91
  5. Step 5: Solve for x
    x = 25,573,492.91/7,474.28
  6. Step 6: Final answer
    x = 3,421.53

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1.5x scale

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.