Home / 5,678.18-8,519.07-3,079.70

Finding the Fourth Proportional to 5,678.18, 8,519.07 and 3,079.70

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Solution

The fourth proportional to 5,678.18, 8,519.07 and 3,079.70 is: 4,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.18 : 8,519.07 = 3,079.70 : x
  2. Step 2: Convert to fraction form
    5,678.18/8,519.07 = 3,079.70/x
  3. Step 3: Cross multiply
    5,678.18x = 8,519.07 × 3,079.70
  4. Step 4: Simplify right side
    5,678.18x = 26,236,179.88
  5. Step 5: Solve for x
    x = 26,236,179.88/5,678.18
  6. Step 6: Final answer
    x = 4,620.53

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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.