Home / 5,043.59-7,565.68-1,345.80

Finding the Fourth Proportional to 5,043.59, 7,565.68 and 1,345.80

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Solution

The fourth proportional to 5,043.59, 7,565.68 and 1,345.80 is: 2,018.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.59 : 7,565.68 = 1,345.80 : x
  2. Step 2: Convert to fraction form
    5,043.59/7,565.68 = 1,345.80/x
  3. Step 3: Cross multiply
    5,043.59x = 7,565.68 × 1,345.80
  4. Step 4: Simplify right side
    5,043.59x = 10,181,892.14
  5. Step 5: Solve for x
    x = 10,181,892.14/5,043.59
  6. Step 6: Final answer
    x = 2,018.78

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1.5x scale

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.