Home / 9,189.30-12,680.61-4,997.46

Finding the Fourth Proportional to 9,189.30, 12,680.61 and 4,997.46

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Solution

The fourth proportional to 9,189.30, 12,680.61 and 4,997.46 is: 6,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.30 : 12,680.61 = 4,997.46 : x
  2. Step 2: Convert to fraction form
    9,189.30/12,680.61 = 4,997.46/x
  3. Step 3: Cross multiply
    9,189.30x = 12,680.61 × 4,997.46
  4. Step 4: Simplify right side
    9,189.30x = 63,370,841.25
  5. Step 5: Solve for x
    x = 63,370,841.25/9,189.30
  6. Step 6: Final answer
    x = 6,896.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.