Home / 7,061.28-10,591.92-2,900.58

Finding the Fourth Proportional to 7,061.28, 10,591.92 and 2,900.58

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Solution

The fourth proportional to 7,061.28, 10,591.92 and 2,900.58 is: 4,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,061.28 : 10,591.92 = 2,900.58 : x
  2. Step 2: Convert to fraction form
    7,061.28/10,591.92 = 2,900.58/x
  3. Step 3: Cross multiply
    7,061.28x = 10,591.92 × 2,900.58
  4. Step 4: Simplify right side
    7,061.28x = 30,722,711.31
  5. Step 5: Solve for x
    x = 30,722,711.31/7,061.28
  6. Step 6: Final answer
    x = 4,350.87

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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.