Home / 8,266.80-12,397.58-2,718.86

Finding the Fourth Proportional to 8,266.80, 12,397.58 and 2,718.86

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Solution

The fourth proportional to 8,266.80, 12,397.58 and 2,718.86 is: 4,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.80 : 12,397.58 = 2,718.86 : x
  2. Step 2: Convert to fraction form
    8,266.80/12,397.58 = 2,718.86/x
  3. Step 3: Cross multiply
    8,266.80x = 12,397.58 × 2,718.86
  4. Step 4: Simplify right side
    8,266.80x = 33,707,284.36
  5. Step 5: Solve for x
    x = 33,707,284.36/8,266.80
  6. Step 6: Final answer
    x = 4,077.43

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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.