Home / 8,151.04-11,237.94-8,040.88

Finding the Fourth Proportional to 8,151.04, 11,237.94 and 8,040.88

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Solution

The fourth proportional to 8,151.04, 11,237.94 and 8,040.88 is: 11,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.04 : 11,237.94 = 8,040.88 : x
  2. Step 2: Convert to fraction form
    8,151.04/11,237.94 = 8,040.88/x
  3. Step 3: Cross multiply
    8,151.04x = 11,237.94 × 8,040.88
  4. Step 4: Simplify right side
    8,151.04x = 90,362,926.99
  5. Step 5: Solve for x
    x = 90,362,926.99/8,151.04
  6. Step 6: Final answer
    x = 11,086.06

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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.