Home / 5,045.76-7,565.24-2,578.56

Finding the Fourth Proportional to 5,045.76, 7,565.24 and 2,578.56

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Solution

The fourth proportional to 5,045.76, 7,565.24 and 2,578.56 is: 3,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.76 : 7,565.24 = 2,578.56 : x
  2. Step 2: Convert to fraction form
    5,045.76/7,565.24 = 2,578.56/x
  3. Step 3: Cross multiply
    5,045.76x = 7,565.24 × 2,578.56
  4. Step 4: Simplify right side
    5,045.76x = 19,507,425.25
  5. Step 5: Solve for x
    x = 19,507,425.25/5,045.76
  6. Step 6: Final answer
    x = 3,866.10

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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.