Home / 6,987.54-10,471.77-3,862.92

Finding the Fourth Proportional to 6,987.54, 10,471.77 and 3,862.92

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Solution

The fourth proportional to 6,987.54, 10,471.77 and 3,862.92 is: 5,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.54 : 10,471.77 = 3,862.92 : x
  2. Step 2: Convert to fraction form
    6,987.54/10,471.77 = 3,862.92/x
  3. Step 3: Cross multiply
    6,987.54x = 10,471.77 × 3,862.92
  4. Step 4: Simplify right side
    6,987.54x = 40,451,609.77
  5. Step 5: Solve for x
    x = 40,451,609.77/6,987.54
  6. Step 6: Final answer
    x = 5,789.11

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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.