Home / 8,045.38-12,070.50-5,423.41

Finding the Fourth Proportional to 8,045.38, 12,070.50 and 5,423.41

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Solution

The fourth proportional to 8,045.38, 12,070.50 and 5,423.41 is: 8,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.38 : 12,070.50 = 5,423.41 : x
  2. Step 2: Convert to fraction form
    8,045.38/12,070.50 = 5,423.41/x
  3. Step 3: Cross multiply
    8,045.38x = 12,070.50 × 5,423.41
  4. Step 4: Simplify right side
    8,045.38x = 65,463,270.41
  5. Step 5: Solve for x
    x = 65,463,270.41/8,045.38
  6. Step 6: Final answer
    x = 8,136.75

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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.