Home / 8,454.96-12,684.04-2,610.21

Finding the Fourth Proportional to 8,454.96, 12,684.04 and 2,610.21

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Solution

The fourth proportional to 8,454.96, 12,684.04 and 2,610.21 is: 3,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.96 : 12,684.04 = 2,610.21 : x
  2. Step 2: Convert to fraction form
    8,454.96/12,684.04 = 2,610.21/x
  3. Step 3: Cross multiply
    8,454.96x = 12,684.04 × 2,610.21
  4. Step 4: Simplify right side
    8,454.96x = 33,107,938.10
  5. Step 5: Solve for x
    x = 33,107,938.10/8,454.96
  6. Step 6: Final answer
    x = 3,915.80

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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.