Home / 8,166.95-12,251.51-2,618.45

Finding the Fourth Proportional to 8,166.95, 12,251.51 and 2,618.45

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Solution

The fourth proportional to 8,166.95, 12,251.51 and 2,618.45 is: 3,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.95 : 12,251.51 = 2,618.45 : x
  2. Step 2: Convert to fraction form
    8,166.95/12,251.51 = 2,618.45/x
  3. Step 3: Cross multiply
    8,166.95x = 12,251.51 × 2,618.45
  4. Step 4: Simplify right side
    8,166.95x = 32,079,966.36
  5. Step 5: Solve for x
    x = 32,079,966.36/8,166.95
  6. Step 6: Final answer
    x = 3,928.02

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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.