Home / 5,020.91-7,531.43-1,323.17

Finding the Fourth Proportional to 5,020.91, 7,531.43 and 1,323.17

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Solution

The fourth proportional to 5,020.91, 7,531.43 and 1,323.17 is: 1,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.91 : 7,531.43 = 1,323.17 : x
  2. Step 2: Convert to fraction form
    5,020.91/7,531.43 = 1,323.17/x
  3. Step 3: Cross multiply
    5,020.91x = 7,531.43 × 1,323.17
  4. Step 4: Simplify right side
    5,020.91x = 9,965,346.20
  5. Step 5: Solve for x
    x = 9,965,346.20/5,020.91
  6. Step 6: Final answer
    x = 1,984.77

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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.