Home / 8,454.15-12,681.21-3,256.38

Finding the Fourth Proportional to 8,454.15, 12,681.21 and 3,256.38

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Solution

The fourth proportional to 8,454.15, 12,681.21 and 3,256.38 is: 4,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.15 : 12,681.21 = 3,256.38 : x
  2. Step 2: Convert to fraction form
    8,454.15/12,681.21 = 3,256.38/x
  3. Step 3: Cross multiply
    8,454.15x = 12,681.21 × 3,256.38
  4. Step 4: Simplify right side
    8,454.15x = 41,294,838.62
  5. Step 5: Solve for x
    x = 41,294,838.62/8,454.15
  6. Step 6: Final answer
    x = 4,884.56

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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.