Home / 7,545.70-11,329.35-4,265.20

Finding the Fourth Proportional to 7,545.70, 11,329.35 and 4,265.20

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Solution

The fourth proportional to 7,545.70, 11,329.35 and 4,265.20 is: 6,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.70 : 11,329.35 = 4,265.20 : x
  2. Step 2: Convert to fraction form
    7,545.70/11,329.35 = 4,265.20/x
  3. Step 3: Cross multiply
    7,545.70x = 11,329.35 × 4,265.20
  4. Step 4: Simplify right side
    7,545.70x = 48,321,943.62
  5. Step 5: Solve for x
    x = 48,321,943.62/7,545.70
  6. Step 6: Final answer
    x = 6,403.90

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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.