Home / 8,164.38-12,248.40-2,618.22

Finding the Fourth Proportional to 8,164.38, 12,248.40 and 2,618.22

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Solution

The fourth proportional to 8,164.38, 12,248.40 and 2,618.22 is: 3,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.38 : 12,248.40 = 2,618.22 : x
  2. Step 2: Convert to fraction form
    8,164.38/12,248.40 = 2,618.22/x
  3. Step 3: Cross multiply
    8,164.38x = 12,248.40 × 2,618.22
  4. Step 4: Simplify right side
    8,164.38x = 32,069,005.85
  5. Step 5: Solve for x
    x = 32,069,005.85/8,164.38
  6. Step 6: Final answer
    x = 3,927.92

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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.