Home / 5,043.57-7,565.72-1,345.78

Finding the Fourth Proportional to 5,043.57, 7,565.72 and 1,345.78

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Solution

The fourth proportional to 5,043.57, 7,565.72 and 1,345.78 is: 2,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.57 : 7,565.72 = 1,345.78 : x
  2. Step 2: Convert to fraction form
    5,043.57/7,565.72 = 1,345.78/x
  3. Step 3: Cross multiply
    5,043.57x = 7,565.72 × 1,345.78
  4. Step 4: Simplify right side
    5,043.57x = 10,181,794.66
  5. Step 5: Solve for x
    x = 10,181,794.66/5,043.57
  6. Step 6: Final answer
    x = 2,018.77

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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.