Home / 5,148.91-7,723.37-1,253.28

Finding the Fourth Proportional to 5,148.91, 7,723.37 and 1,253.28

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Solution

The fourth proportional to 5,148.91, 7,723.37 and 1,253.28 is: 1,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.91 : 7,723.37 = 1,253.28 : x
  2. Step 2: Convert to fraction form
    5,148.91/7,723.37 = 1,253.28/x
  3. Step 3: Cross multiply
    5,148.91x = 7,723.37 × 1,253.28
  4. Step 4: Simplify right side
    5,148.91x = 9,679,538.89
  5. Step 5: Solve for x
    x = 9,679,538.89/5,148.91
  6. Step 6: Final answer
    x = 1,879.92

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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.