Home / 5,565.30-7,681.17-3,578.34

Finding the Fourth Proportional to 5,565.30, 7,681.17 and 3,578.34

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Solution

The fourth proportional to 5,565.30, 7,681.17 and 3,578.34 is: 4,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.30 : 7,681.17 = 3,578.34 : x
  2. Step 2: Convert to fraction form
    5,565.30/7,681.17 = 3,578.34/x
  3. Step 3: Cross multiply
    5,565.30x = 7,681.17 × 3,578.34
  4. Step 4: Simplify right side
    5,565.30x = 27,485,837.86
  5. Step 5: Solve for x
    x = 27,485,837.86/5,565.30
  6. Step 6: Final answer
    x = 4,938.79

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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.