Home / 5,854.36-8,781.55-2,391.61

Finding the Fourth Proportional to 5,854.36, 8,781.55 and 2,391.61

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Solution

The fourth proportional to 5,854.36, 8,781.55 and 2,391.61 is: 3,587.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.36 : 8,781.55 = 2,391.61 : x
  2. Step 2: Convert to fraction form
    5,854.36/8,781.55 = 2,391.61/x
  3. Step 3: Cross multiply
    5,854.36x = 8,781.55 × 2,391.61
  4. Step 4: Simplify right side
    5,854.36x = 21,002,031.33
  5. Step 5: Solve for x
    x = 21,002,031.33/5,854.36
  6. Step 6: Final answer
    x = 3,587.42

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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.