Home / 8,252.72-12,349.85-5,134.22

Finding the Fourth Proportional to 8,252.72, 12,349.85 and 5,134.22

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Solution

The fourth proportional to 8,252.72, 12,349.85 and 5,134.22 is: 7,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.72 : 12,349.85 = 5,134.22 : x
  2. Step 2: Convert to fraction form
    8,252.72/12,349.85 = 5,134.22/x
  3. Step 3: Cross multiply
    8,252.72x = 12,349.85 × 5,134.22
  4. Step 4: Simplify right side
    8,252.72x = 63,406,846.87
  5. Step 5: Solve for x
    x = 63,406,846.87/8,252.72
  6. Step 6: Final answer
    x = 7,683.15

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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.