Home / 7,542.05-10,371.12-6,545.60

Finding the Fourth Proportional to 7,542.05, 10,371.12 and 6,545.60

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Solution

The fourth proportional to 7,542.05, 10,371.12 and 6,545.60 is: 9,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.05 : 10,371.12 = 6,545.60 : x
  2. Step 2: Convert to fraction form
    7,542.05/10,371.12 = 6,545.60/x
  3. Step 3: Cross multiply
    7,542.05x = 10,371.12 × 6,545.60
  4. Step 4: Simplify right side
    7,542.05x = 67,885,219.44
  5. Step 5: Solve for x
    x = 67,885,219.44/7,542.05
  6. Step 6: Final answer
    x = 9,000.89

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1.5x scale

Why These Related Problems?

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