Home / 8,310.64-12,475.08-4,149.48

Finding the Fourth Proportional to 8,310.64, 12,475.08 and 4,149.48

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Solution

The fourth proportional to 8,310.64, 12,475.08 and 4,149.48 is: 6,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.64 : 12,475.08 = 4,149.48 : x
  2. Step 2: Convert to fraction form
    8,310.64/12,475.08 = 4,149.48/x
  3. Step 3: Cross multiply
    8,310.64x = 12,475.08 × 4,149.48
  4. Step 4: Simplify right side
    8,310.64x = 51,765,094.96
  5. Step 5: Solve for x
    x = 51,765,094.96/8,310.64
  6. Step 6: Final answer
    x = 6,228.77

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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.