Home / 8,079.26-12,126.78-6,701.45

Finding the Fourth Proportional to 8,079.26, 12,126.78 and 6,701.45

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Solution

The fourth proportional to 8,079.26, 12,126.78 and 6,701.45 is: 10,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.26 : 12,126.78 = 6,701.45 : x
  2. Step 2: Convert to fraction form
    8,079.26/12,126.78 = 6,701.45/x
  3. Step 3: Cross multiply
    8,079.26x = 12,126.78 × 6,701.45
  4. Step 4: Simplify right side
    8,079.26x = 81,266,949.20
  5. Step 5: Solve for x
    x = 81,266,949.20/8,079.26
  6. Step 6: Final answer
    x = 10,058.72

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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.