Home / 7,275.38-10,913.06-2,658.38

Finding the Fourth Proportional to 7,275.38, 10,913.06 and 2,658.38

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Solution

The fourth proportional to 7,275.38, 10,913.06 and 2,658.38 is: 3,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.38 : 10,913.06 = 2,658.38 : x
  2. Step 2: Convert to fraction form
    7,275.38/10,913.06 = 2,658.38/x
  3. Step 3: Cross multiply
    7,275.38x = 10,913.06 × 2,658.38
  4. Step 4: Simplify right side
    7,275.38x = 29,011,060.44
  5. Step 5: Solve for x
    x = 29,011,060.44/7,275.38
  6. Step 6: Final answer
    x = 3,987.57

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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.