Home / 8,118.44-12,177.69-2,275.10

Finding the Fourth Proportional to 8,118.44, 12,177.69 and 2,275.10

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Solution

The fourth proportional to 8,118.44, 12,177.69 and 2,275.10 is: 3,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.44 : 12,177.69 = 2,275.10 : x
  2. Step 2: Convert to fraction form
    8,118.44/12,177.69 = 2,275.10/x
  3. Step 3: Cross multiply
    8,118.44x = 12,177.69 × 2,275.10
  4. Step 4: Simplify right side
    8,118.44x = 27,705,462.52
  5. Step 5: Solve for x
    x = 27,705,462.52/8,118.44
  6. Step 6: Final answer
    x = 3,412.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.