Home / 5,242.58-7,863.54-1,545.02

Finding the Fourth Proportional to 5,242.58, 7,863.54 and 1,545.02

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Solution

The fourth proportional to 5,242.58, 7,863.54 and 1,545.02 is: 2,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.58 : 7,863.54 = 1,545.02 : x
  2. Step 2: Convert to fraction form
    5,242.58/7,863.54 = 1,545.02/x
  3. Step 3: Cross multiply
    5,242.58x = 7,863.54 × 1,545.02
  4. Step 4: Simplify right side
    5,242.58x = 12,149,326.57
  5. Step 5: Solve for x
    x = 12,149,326.57/5,242.58
  6. Step 6: Final answer
    x = 2,317.43

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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.