Home / 8,261.24-12,391.87-5,807.04

Finding the Fourth Proportional to 8,261.24, 12,391.87 and 5,807.04

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Solution

The fourth proportional to 8,261.24, 12,391.87 and 5,807.04 is: 8,710.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.24 : 12,391.87 = 5,807.04 : x
  2. Step 2: Convert to fraction form
    8,261.24/12,391.87 = 5,807.04/x
  3. Step 3: Cross multiply
    8,261.24x = 12,391.87 × 5,807.04
  4. Step 4: Simplify right side
    8,261.24x = 71,960,034.67
  5. Step 5: Solve for x
    x = 71,960,034.67/8,261.24
  6. Step 6: Final answer
    x = 8,710.57

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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.