Home / 9,427.92-12,997.28-6,770.88

Finding the Fourth Proportional to 9,427.92, 12,997.28 and 6,770.88

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Solution

The fourth proportional to 9,427.92, 12,997.28 and 6,770.88 is: 9,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.92 : 12,997.28 = 6,770.88 : x
  2. Step 2: Convert to fraction form
    9,427.92/12,997.28 = 6,770.88/x
  3. Step 3: Cross multiply
    9,427.92x = 12,997.28 × 6,770.88
  4. Step 4: Simplify right side
    9,427.92x = 88,003,023.21
  5. Step 5: Solve for x
    x = 88,003,023.21/9,427.92
  6. Step 6: Final answer
    x = 9,334.30

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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.