Home / 5,116.12-7,671.42-2,339.65

Finding the Fourth Proportional to 5,116.12, 7,671.42 and 2,339.65

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Solution

The fourth proportional to 5,116.12, 7,671.42 and 2,339.65 is: 3,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.12 : 7,671.42 = 2,339.65 : x
  2. Step 2: Convert to fraction form
    5,116.12/7,671.42 = 2,339.65/x
  3. Step 3: Cross multiply
    5,116.12x = 7,671.42 × 2,339.65
  4. Step 4: Simplify right side
    5,116.12x = 17,948,437.80
  5. Step 5: Solve for x
    x = 17,948,437.80/5,116.12
  6. Step 6: Final answer
    x = 3,508.21

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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.