Home / 7,151.19-9,869.18-4,500.87

Finding the Fourth Proportional to 7,151.19, 9,869.18 and 4,500.87

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Solution

The fourth proportional to 7,151.19, 9,869.18 and 4,500.87 is: 6,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.19 : 9,869.18 = 4,500.87 : x
  2. Step 2: Convert to fraction form
    7,151.19/9,869.18 = 4,500.87/x
  3. Step 3: Cross multiply
    7,151.19x = 9,869.18 × 4,500.87
  4. Step 4: Simplify right side
    7,151.19x = 44,419,896.19
  5. Step 5: Solve for x
    x = 44,419,896.19/7,151.19
  6. Step 6: Final answer
    x = 6,211.54

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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.