Home / 6,531.46-9,795.12-2,147.90

Finding the Fourth Proportional to 6,531.46, 9,795.12 and 2,147.90

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Solution

The fourth proportional to 6,531.46, 9,795.12 and 2,147.90 is: 3,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.46 : 9,795.12 = 2,147.90 : x
  2. Step 2: Convert to fraction form
    6,531.46/9,795.12 = 2,147.90/x
  3. Step 3: Cross multiply
    6,531.46x = 9,795.12 × 2,147.90
  4. Step 4: Simplify right side
    6,531.46x = 21,038,938.25
  5. Step 5: Solve for x
    x = 21,038,938.25/6,531.46
  6. Step 6: Final answer
    x = 3,221.17

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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.