Home / 4,042.16-5,565.48-3,515.12

Finding the Fourth Proportional to 4,042.16, 5,565.48 and 3,515.12

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Solution

The fourth proportional to 4,042.16, 5,565.48 and 3,515.12 is: 4,839.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.16 : 5,565.48 = 3,515.12 : x
  2. Step 2: Convert to fraction form
    4,042.16/5,565.48 = 3,515.12/x
  3. Step 3: Cross multiply
    4,042.16x = 5,565.48 × 3,515.12
  4. Step 4: Simplify right side
    4,042.16x = 19,563,330.06
  5. Step 5: Solve for x
    x = 19,563,330.06/4,042.16
  6. Step 6: Final answer
    x = 4,839.82

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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.