Home / 9,188.90-12,680.65-4,997.15

Finding the Fourth Proportional to 9,188.90, 12,680.65 and 4,997.15

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Solution

The fourth proportional to 9,188.90, 12,680.65 and 4,997.15 is: 6,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.90 : 12,680.65 = 4,997.15 : x
  2. Step 2: Convert to fraction form
    9,188.90/12,680.65 = 4,997.15/x
  3. Step 3: Cross multiply
    9,188.90x = 12,680.65 × 4,997.15
  4. Step 4: Simplify right side
    9,188.90x = 63,367,110.15
  5. Step 5: Solve for x
    x = 63,367,110.15/9,188.90
  6. Step 6: Final answer
    x = 6,896.05

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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.