Home / 8,072.29-11,126.05-6,157.45

Finding the Fourth Proportional to 8,072.29, 11,126.05 and 6,157.45

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Solution

The fourth proportional to 8,072.29, 11,126.05 and 6,157.45 is: 8,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.29 : 11,126.05 = 6,157.45 : x
  2. Step 2: Convert to fraction form
    8,072.29/11,126.05 = 6,157.45/x
  3. Step 3: Cross multiply
    8,072.29x = 11,126.05 × 6,157.45
  4. Step 4: Simplify right side
    8,072.29x = 68,508,096.57
  5. Step 5: Solve for x
    x = 68,508,096.57/8,072.29
  6. Step 6: Final answer
    x = 8,486.82

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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.