Home / 8,204.79-12,304.61-2,657.10

Finding the Fourth Proportional to 8,204.79, 12,304.61 and 2,657.10

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Solution

The fourth proportional to 8,204.79, 12,304.61 and 2,657.10 is: 3,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.79 : 12,304.61 = 2,657.10 : x
  2. Step 2: Convert to fraction form
    8,204.79/12,304.61 = 2,657.10/x
  3. Step 3: Cross multiply
    8,204.79x = 12,304.61 × 2,657.10
  4. Step 4: Simplify right side
    8,204.79x = 32,694,622.05
  5. Step 5: Solve for x
    x = 32,694,622.05/8,204.79
  6. Step 6: Final answer
    x = 3,984.82

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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.