Home / 8,376.20-12,560.74-2,529.64

Finding the Fourth Proportional to 8,376.20, 12,560.74 and 2,529.64

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Solution

The fourth proportional to 8,376.20, 12,560.74 and 2,529.64 is: 3,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.20 : 12,560.74 = 2,529.64 : x
  2. Step 2: Convert to fraction form
    8,376.20/12,560.74 = 2,529.64/x
  3. Step 3: Cross multiply
    8,376.20x = 12,560.74 × 2,529.64
  4. Step 4: Simplify right side
    8,376.20x = 31,774,150.33
  5. Step 5: Solve for x
    x = 31,774,150.33/8,376.20
  6. Step 6: Final answer
    x = 3,793.38

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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.