Home / 7,585.53-11,381.61-2,658.71

Finding the Fourth Proportional to 7,585.53, 11,381.61 and 2,658.71

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Solution

The fourth proportional to 7,585.53, 11,381.61 and 2,658.71 is: 3,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.53 : 11,381.61 = 2,658.71 : x
  2. Step 2: Convert to fraction form
    7,585.53/11,381.61 = 2,658.71/x
  3. Step 3: Cross multiply
    7,585.53x = 11,381.61 × 2,658.71
  4. Step 4: Simplify right side
    7,585.53x = 30,260,343.42
  5. Step 5: Solve for x
    x = 30,260,343.42/7,585.53
  6. Step 6: Final answer
    x = 3,989.22

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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.