Home / 8,184.11-12,276.18-2,637.86

Finding the Fourth Proportional to 8,184.11, 12,276.18 and 2,637.86

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Solution

The fourth proportional to 8,184.11, 12,276.18 and 2,637.86 is: 3,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.11 : 12,276.18 = 2,637.86 : x
  2. Step 2: Convert to fraction form
    8,184.11/12,276.18 = 2,637.86/x
  3. Step 3: Cross multiply
    8,184.11x = 12,276.18 × 2,637.86
  4. Step 4: Simplify right side
    8,184.11x = 32,382,782.79
  5. Step 5: Solve for x
    x = 32,382,782.79/8,184.11
  6. Step 6: Final answer
    x = 3,956.79

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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.