Home / 6,079.20-9,113.40-5,423.10

Finding the Fourth Proportional to 6,079.20, 9,113.40 and 5,423.10

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Solution

The fourth proportional to 6,079.20, 9,113.40 and 5,423.10 is: 8,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.20 : 9,113.40 = 5,423.10 : x
  2. Step 2: Convert to fraction form
    6,079.20/9,113.40 = 5,423.10/x
  3. Step 3: Cross multiply
    6,079.20x = 9,113.40 × 5,423.10
  4. Step 4: Simplify right side
    6,079.20x = 49,422,879.54
  5. Step 5: Solve for x
    x = 49,422,879.54/6,079.20
  6. Step 6: Final answer
    x = 8,129.83

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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.