Home / 5,698.80-8,540.28-3,103.92

Finding the Fourth Proportional to 5,698.80, 8,540.28 and 3,103.92

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Solution

The fourth proportional to 5,698.80, 8,540.28 and 3,103.92 is: 4,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.80 : 8,540.28 = 3,103.92 : x
  2. Step 2: Convert to fraction form
    5,698.80/8,540.28 = 3,103.92/x
  3. Step 3: Cross multiply
    5,698.80x = 8,540.28 × 3,103.92
  4. Step 4: Simplify right side
    5,698.80x = 26,508,345.90
  5. Step 5: Solve for x
    x = 26,508,345.90/5,698.80
  6. Step 6: Final answer
    x = 4,651.57

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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.