Home / 9,188.12-12,679.46-4,996.28

Finding the Fourth Proportional to 9,188.12, 12,679.46 and 4,996.28

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Solution

The fourth proportional to 9,188.12, 12,679.46 and 4,996.28 is: 6,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.12 : 12,679.46 = 4,996.28 : x
  2. Step 2: Convert to fraction form
    9,188.12/12,679.46 = 4,996.28/x
  3. Step 3: Cross multiply
    9,188.12x = 12,679.46 × 4,996.28
  4. Step 4: Simplify right side
    9,188.12x = 63,350,132.41
  5. Step 5: Solve for x
    x = 63,350,132.41/9,188.12
  6. Step 6: Final answer
    x = 6,894.79

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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.