Home / 5,008.28-7,512.81-1,545.50

Finding the Fourth Proportional to 5,008.28, 7,512.81 and 1,545.50

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Solution

The fourth proportional to 5,008.28, 7,512.81 and 1,545.50 is: 2,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.28 : 7,512.81 = 1,545.50 : x
  2. Step 2: Convert to fraction form
    5,008.28/7,512.81 = 1,545.50/x
  3. Step 3: Cross multiply
    5,008.28x = 7,512.81 × 1,545.50
  4. Step 4: Simplify right side
    5,008.28x = 11,611,047.86
  5. Step 5: Solve for x
    x = 11,611,047.86/5,008.28
  6. Step 6: Final answer
    x = 2,318.37

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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.