Home / 5,321.19-7,981.08-3,347.02

Finding the Fourth Proportional to 5,321.19, 7,981.08 and 3,347.02

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Solution

The fourth proportional to 5,321.19, 7,981.08 and 3,347.02 is: 5,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.19 : 7,981.08 = 3,347.02 : x
  2. Step 2: Convert to fraction form
    5,321.19/7,981.08 = 3,347.02/x
  3. Step 3: Cross multiply
    5,321.19x = 7,981.08 × 3,347.02
  4. Step 4: Simplify right side
    5,321.19x = 26,712,834.38
  5. Step 5: Solve for x
    x = 26,712,834.38/5,321.19
  6. Step 6: Final answer
    x = 5,020.09

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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.