Home / 8,454.30-12,681.21-2,610.54

Finding the Fourth Proportional to 8,454.30, 12,681.21 and 2,610.54

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Solution

The fourth proportional to 8,454.30, 12,681.21 and 2,610.54 is: 3,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.30 : 12,681.21 = 2,610.54 : x
  2. Step 2: Convert to fraction form
    8,454.30/12,681.21 = 2,610.54/x
  3. Step 3: Cross multiply
    8,454.30x = 12,681.21 × 2,610.54
  4. Step 4: Simplify right side
    8,454.30x = 33,104,805.95
  5. Step 5: Solve for x
    x = 33,104,805.95/8,454.30
  6. Step 6: Final answer
    x = 3,915.74

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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.