Home / 8,282.50-12,427.35-4,126.66

Finding the Fourth Proportional to 8,282.50, 12,427.35 and 4,126.66

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Solution

The fourth proportional to 8,282.50, 12,427.35 and 4,126.66 is: 6,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.50 : 12,427.35 = 4,126.66 : x
  2. Step 2: Convert to fraction form
    8,282.50/12,427.35 = 4,126.66/x
  3. Step 3: Cross multiply
    8,282.50x = 12,427.35 × 4,126.66
  4. Step 4: Simplify right side
    8,282.50x = 51,283,448.15
  5. Step 5: Solve for x
    x = 51,283,448.15/8,282.50
  6. Step 6: Final answer
    x = 6,191.78

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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.