Home / 5,041.47-7,565.29-2,119.78

Finding the Fourth Proportional to 5,041.47, 7,565.29 and 2,119.78

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Solution

The fourth proportional to 5,041.47, 7,565.29 and 2,119.78 is: 3,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.47 : 7,565.29 = 2,119.78 : x
  2. Step 2: Convert to fraction form
    5,041.47/7,565.29 = 2,119.78/x
  3. Step 3: Cross multiply
    5,041.47x = 7,565.29 × 2,119.78
  4. Step 4: Simplify right side
    5,041.47x = 16,036,754.59
  5. Step 5: Solve for x
    x = 16,036,754.59/5,041.47
  6. Step 6: Final answer
    x = 3,180.97

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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.