Home / 5,864.12-8,092.91-3,871.21

Finding the Fourth Proportional to 5,864.12, 8,092.91 and 3,871.21

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Solution

The fourth proportional to 5,864.12, 8,092.91 and 3,871.21 is: 5,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,864.12 : 8,092.91 = 3,871.21 : x
  2. Step 2: Convert to fraction form
    5,864.12/8,092.91 = 3,871.21/x
  3. Step 3: Cross multiply
    5,864.12x = 8,092.91 × 3,871.21
  4. Step 4: Simplify right side
    5,864.12x = 31,329,354.12
  5. Step 5: Solve for x
    x = 31,329,354.12/5,864.12
  6. Step 6: Final answer
    x = 5,342.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.