Home / 8,614.28-12,926.88-3,688.06

Finding the Fourth Proportional to 8,614.28, 12,926.88 and 3,688.06

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Solution

The fourth proportional to 8,614.28, 12,926.88 and 3,688.06 is: 5,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.28 : 12,926.88 = 3,688.06 : x
  2. Step 2: Convert to fraction form
    8,614.28/12,926.88 = 3,688.06/x
  3. Step 3: Cross multiply
    8,614.28x = 12,926.88 × 3,688.06
  4. Step 4: Simplify right side
    8,614.28x = 47,675,109.05
  5. Step 5: Solve for x
    x = 47,675,109.05/8,614.28
  6. Step 6: Final answer
    x = 5,534.43

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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.