Home / 8,086.29-11,156.40-6,591.63

Finding the Fourth Proportional to 8,086.29, 11,156.40 and 6,591.63

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Solution

The fourth proportional to 8,086.29, 11,156.40 and 6,591.63 is: 9,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.29 : 11,156.40 = 6,591.63 : x
  2. Step 2: Convert to fraction form
    8,086.29/11,156.40 = 6,591.63/x
  3. Step 3: Cross multiply
    8,086.29x = 11,156.40 × 6,591.63
  4. Step 4: Simplify right side
    8,086.29x = 73,538,860.93
  5. Step 5: Solve for x
    x = 73,538,860.93/8,086.29
  6. Step 6: Final answer
    x = 9,094.26

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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.