Home / 5,310.92-7,967.34-2,189.18

Finding the Fourth Proportional to 5,310.92, 7,967.34 and 2,189.18

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Solution

The fourth proportional to 5,310.92, 7,967.34 and 2,189.18 is: 3,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.92 : 7,967.34 = 2,189.18 : x
  2. Step 2: Convert to fraction form
    5,310.92/7,967.34 = 2,189.18/x
  3. Step 3: Cross multiply
    5,310.92x = 7,967.34 × 2,189.18
  4. Step 4: Simplify right side
    5,310.92x = 17,441,941.38
  5. Step 5: Solve for x
    x = 17,441,941.38/5,310.92
  6. Step 6: Final answer
    x = 3,284.17

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1.5x scale

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.