Home / 5,003.57-7,505.45-1,540.82

Finding the Fourth Proportional to 5,003.57, 7,505.45 and 1,540.82

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Solution

The fourth proportional to 5,003.57, 7,505.45 and 1,540.82 is: 2,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.57 : 7,505.45 = 1,540.82 : x
  2. Step 2: Convert to fraction form
    5,003.57/7,505.45 = 1,540.82/x
  3. Step 3: Cross multiply
    5,003.57x = 7,505.45 × 1,540.82
  4. Step 4: Simplify right side
    5,003.57x = 11,564,547.47
  5. Step 5: Solve for x
    x = 11,564,547.47/5,003.57
  6. Step 6: Final answer
    x = 2,311.26

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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.