Home / 5,714.31-8,572.16-2,015.78

Finding the Fourth Proportional to 5,714.31, 8,572.16 and 2,015.78

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Solution

The fourth proportional to 5,714.31, 8,572.16 and 2,015.78 is: 3,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.31 : 8,572.16 = 2,015.78 : x
  2. Step 2: Convert to fraction form
    5,714.31/8,572.16 = 2,015.78/x
  3. Step 3: Cross multiply
    5,714.31x = 8,572.16 × 2,015.78
  4. Step 4: Simplify right side
    5,714.31x = 17,279,605.08
  5. Step 5: Solve for x
    x = 17,279,605.08/5,714.31
  6. Step 6: Final answer
    x = 3,023.92

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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.