Home / 8,263.20-12,396.36-2,718.15

Finding the Fourth Proportional to 8,263.20, 12,396.36 and 2,718.15

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Solution

The fourth proportional to 8,263.20, 12,396.36 and 2,718.15 is: 4,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.20 : 12,396.36 = 2,718.15 : x
  2. Step 2: Convert to fraction form
    8,263.20/12,396.36 = 2,718.15/x
  3. Step 3: Cross multiply
    8,263.20x = 12,396.36 × 2,718.15
  4. Step 4: Simplify right side
    8,263.20x = 33,695,165.93
  5. Step 5: Solve for x
    x = 33,695,165.93/8,263.20
  6. Step 6: Final answer
    x = 4,077.74

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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.