Home / 8,391.24-12,595.32-3,463.80

Finding the Fourth Proportional to 8,391.24, 12,595.32 and 3,463.80

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Solution

The fourth proportional to 8,391.24, 12,595.32 and 3,463.80 is: 5,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.24 : 12,595.32 = 3,463.80 : x
  2. Step 2: Convert to fraction form
    8,391.24/12,595.32 = 3,463.80/x
  3. Step 3: Cross multiply
    8,391.24x = 12,595.32 × 3,463.80
  4. Step 4: Simplify right side
    8,391.24x = 43,627,669.42
  5. Step 5: Solve for x
    x = 43,627,669.42/8,391.24
  6. Step 6: Final answer
    x = 5,199.19

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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.