Home / 9,113.44-12,576.78-5,134.70

Finding the Fourth Proportional to 9,113.44, 12,576.78 and 5,134.70

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Solution

The fourth proportional to 9,113.44, 12,576.78 and 5,134.70 is: 7,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.44 : 12,576.78 = 5,134.70 : x
  2. Step 2: Convert to fraction form
    9,113.44/12,576.78 = 5,134.70/x
  3. Step 3: Cross multiply
    9,113.44x = 12,576.78 × 5,134.70
  4. Step 4: Simplify right side
    9,113.44x = 64,577,992.27
  5. Step 5: Solve for x
    x = 64,577,992.27/9,113.44
  6. Step 6: Final answer
    x = 7,086.02

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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.