Home / 8,265.72-12,403.14-3,585.78

Finding the Fourth Proportional to 8,265.72, 12,403.14 and 3,585.78

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Solution

The fourth proportional to 8,265.72, 12,403.14 and 3,585.78 is: 5,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.72 : 12,403.14 = 3,585.78 : x
  2. Step 2: Convert to fraction form
    8,265.72/12,403.14 = 3,585.78/x
  3. Step 3: Cross multiply
    8,265.72x = 12,403.14 × 3,585.78
  4. Step 4: Simplify right side
    8,265.72x = 44,474,931.35
  5. Step 5: Solve for x
    x = 44,474,931.35/8,265.72
  6. Step 6: Final answer
    x = 5,380.65

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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.