Home / 7,155.26-10,732.89-2,225.21

Finding the Fourth Proportional to 7,155.26, 10,732.89 and 2,225.21

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Solution

The fourth proportional to 7,155.26, 10,732.89 and 2,225.21 is: 3,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.26 : 10,732.89 = 2,225.21 : x
  2. Step 2: Convert to fraction form
    7,155.26/10,732.89 = 2,225.21/x
  3. Step 3: Cross multiply
    7,155.26x = 10,732.89 × 2,225.21
  4. Step 4: Simplify right side
    7,155.26x = 23,882,934.16
  5. Step 5: Solve for x
    x = 23,882,934.16/7,155.26
  6. Step 6: Final answer
    x = 3,337.82

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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.