Home / 8,184.39-12,276.27-2,637.76

Finding the Fourth Proportional to 8,184.39, 12,276.27 and 2,637.76

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Solution

The fourth proportional to 8,184.39, 12,276.27 and 2,637.76 is: 3,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.39 : 12,276.27 = 2,637.76 : x
  2. Step 2: Convert to fraction form
    8,184.39/12,276.27 = 2,637.76/x
  3. Step 3: Cross multiply
    8,184.39x = 12,276.27 × 2,637.76
  4. Step 4: Simplify right side
    8,184.39x = 32,381,840.77
  5. Step 5: Solve for x
    x = 32,381,840.77/8,184.39
  6. Step 6: Final answer
    x = 3,956.54

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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.