Home / 5,389.32-8,079.66-3,047.88

Finding the Fourth Proportional to 5,389.32, 8,079.66 and 3,047.88

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Solution

The fourth proportional to 5,389.32, 8,079.66 and 3,047.88 is: 4,569.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.32 : 8,079.66 = 3,047.88 : x
  2. Step 2: Convert to fraction form
    5,389.32/8,079.66 = 3,047.88/x
  3. Step 3: Cross multiply
    5,389.32x = 8,079.66 × 3,047.88
  4. Step 4: Simplify right side
    5,389.32x = 24,625,834.12
  5. Step 5: Solve for x
    x = 24,625,834.12/5,389.32
  6. Step 6: Final answer
    x = 4,569.38

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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.