Home / 5,870.38-8,101.11-3,217.80

Finding the Fourth Proportional to 5,870.38, 8,101.11 and 3,217.80

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Solution

The fourth proportional to 5,870.38, 8,101.11 and 3,217.80 is: 4,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.38 : 8,101.11 = 3,217.80 : x
  2. Step 2: Convert to fraction form
    5,870.38/8,101.11 = 3,217.80/x
  3. Step 3: Cross multiply
    5,870.38x = 8,101.11 × 3,217.80
  4. Step 4: Simplify right side
    5,870.38x = 26,067,751.76
  5. Step 5: Solve for x
    x = 26,067,751.76/5,870.38
  6. Step 6: Final answer
    x = 4,440.56

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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.