Home / 7,141.29-10,714.46-3,192.18

Finding the Fourth Proportional to 7,141.29, 10,714.46 and 3,192.18

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Solution

The fourth proportional to 7,141.29, 10,714.46 and 3,192.18 is: 4,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.29 : 10,714.46 = 3,192.18 : x
  2. Step 2: Convert to fraction form
    7,141.29/10,714.46 = 3,192.18/x
  3. Step 3: Cross multiply
    7,141.29x = 10,714.46 × 3,192.18
  4. Step 4: Simplify right side
    7,141.29x = 34,202,468.96
  5. Step 5: Solve for x
    x = 34,202,468.96/7,141.29
  6. Step 6: Final answer
    x = 4,789.40

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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.