Home / 8,610.31-12,915.46-2,771.02

Finding the Fourth Proportional to 8,610.31, 12,915.46 and 2,771.02

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Solution

The fourth proportional to 8,610.31, 12,915.46 and 2,771.02 is: 4,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.31 : 12,915.46 = 2,771.02 : x
  2. Step 2: Convert to fraction form
    8,610.31/12,915.46 = 2,771.02/x
  3. Step 3: Cross multiply
    8,610.31x = 12,915.46 × 2,771.02
  4. Step 4: Simplify right side
    8,610.31x = 35,788,933.39
  5. Step 5: Solve for x
    x = 35,788,933.39/8,610.31
  6. Step 6: Final answer
    x = 4,156.52

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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.