Home / 8,556.28-12,832.86-2,316.76

Finding the Fourth Proportional to 8,556.28, 12,832.86 and 2,316.76

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Solution

The fourth proportional to 8,556.28, 12,832.86 and 2,316.76 is: 3,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.28 : 12,832.86 = 2,316.76 : x
  2. Step 2: Convert to fraction form
    8,556.28/12,832.86 = 2,316.76/x
  3. Step 3: Cross multiply
    8,556.28x = 12,832.86 × 2,316.76
  4. Step 4: Simplify right side
    8,556.28x = 29,730,656.73
  5. Step 5: Solve for x
    x = 29,730,656.73/8,556.28
  6. Step 6: Final answer
    x = 3,474.72

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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.