Home / 4,042.52-5,565.65-3,145.16

Finding the Fourth Proportional to 4,042.52, 5,565.65 and 3,145.16

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Solution

The fourth proportional to 4,042.52, 5,565.65 and 3,145.16 is: 4,330.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.52 : 5,565.65 = 3,145.16 : x
  2. Step 2: Convert to fraction form
    4,042.52/5,565.65 = 3,145.16/x
  3. Step 3: Cross multiply
    4,042.52x = 5,565.65 × 3,145.16
  4. Step 4: Simplify right side
    4,042.52x = 17,504,857.94
  5. Step 5: Solve for x
    x = 17,504,857.94/4,042.52
  6. Step 6: Final answer
    x = 4,330.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.