Home / 7,105.53-10,658.30-2,487.45

Finding the Fourth Proportional to 7,105.53, 10,658.30 and 2,487.45

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Solution

The fourth proportional to 7,105.53, 10,658.30 and 2,487.45 is: 3,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.53 : 10,658.30 = 2,487.45 : x
  2. Step 2: Convert to fraction form
    7,105.53/10,658.30 = 2,487.45/x
  3. Step 3: Cross multiply
    7,105.53x = 10,658.30 × 2,487.45
  4. Step 4: Simplify right side
    7,105.53x = 26,511,975.90
  5. Step 5: Solve for x
    x = 26,511,975.90/7,105.53
  6. Step 6: Final answer
    x = 3,731.18

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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.