Home / 7,325.38-10,990.50-4,869.87

Finding the Fourth Proportional to 7,325.38, 10,990.50 and 4,869.87

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Solution

The fourth proportional to 7,325.38, 10,990.50 and 4,869.87 is: 7,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.38 : 10,990.50 = 4,869.87 : x
  2. Step 2: Convert to fraction form
    7,325.38/10,990.50 = 4,869.87/x
  3. Step 3: Cross multiply
    7,325.38x = 10,990.50 × 4,869.87
  4. Step 4: Simplify right side
    7,325.38x = 53,522,306.24
  5. Step 5: Solve for x
    x = 53,522,306.24/7,325.38
  6. Step 6: Final answer
    x = 7,306.42

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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.