Home / 5,854.29-8,781.39-1,958.66

Finding the Fourth Proportional to 5,854.29, 8,781.39 and 1,958.66

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Solution

The fourth proportional to 5,854.29, 8,781.39 and 1,958.66 is: 2,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.29 : 8,781.39 = 1,958.66 : x
  2. Step 2: Convert to fraction form
    5,854.29/8,781.39 = 1,958.66/x
  3. Step 3: Cross multiply
    5,854.29x = 8,781.39 × 1,958.66
  4. Step 4: Simplify right side
    5,854.29x = 17,199,713.43
  5. Step 5: Solve for x
    x = 17,199,713.43/5,854.29
  6. Step 6: Final answer
    x = 2,937.97

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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.