Home / 8,372.11-12,558.16-2,528.72

Finding the Fourth Proportional to 8,372.11, 12,558.16 and 2,528.72

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Solution

The fourth proportional to 8,372.11, 12,558.16 and 2,528.72 is: 3,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.11 : 12,558.16 = 2,528.72 : x
  2. Step 2: Convert to fraction form
    8,372.11/12,558.16 = 2,528.72/x
  3. Step 3: Cross multiply
    8,372.11x = 12,558.16 × 2,528.72
  4. Step 4: Simplify right side
    8,372.11x = 31,756,064.93
  5. Step 5: Solve for x
    x = 31,756,064.93/8,372.11
  6. Step 6: Final answer
    x = 3,793.08

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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.