Home / 8,425.58-12,638.22-2,882.74

Finding the Fourth Proportional to 8,425.58, 12,638.22 and 2,882.74

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Solution

The fourth proportional to 8,425.58, 12,638.22 and 2,882.74 is: 4,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.58 : 12,638.22 = 2,882.74 : x
  2. Step 2: Convert to fraction form
    8,425.58/12,638.22 = 2,882.74/x
  3. Step 3: Cross multiply
    8,425.58x = 12,638.22 × 2,882.74
  4. Step 4: Simplify right side
    8,425.58x = 36,432,702.32
  5. Step 5: Solve for x
    x = 36,432,702.32/8,425.58
  6. Step 6: Final answer
    x = 4,324.06

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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.