Home / 8,266.32-12,400.88-4,106.56

Finding the Fourth Proportional to 8,266.32, 12,400.88 and 4,106.56

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Solution

The fourth proportional to 8,266.32, 12,400.88 and 4,106.56 is: 6,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.32 : 12,400.88 = 4,106.56 : x
  2. Step 2: Convert to fraction form
    8,266.32/12,400.88 = 4,106.56/x
  3. Step 3: Cross multiply
    8,266.32x = 12,400.88 × 4,106.56
  4. Step 4: Simplify right side
    8,266.32x = 50,924,957.77
  5. Step 5: Solve for x
    x = 50,924,957.77/8,266.32
  6. Step 6: Final answer
    x = 6,160.54

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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.