Home / 8,425.57-12,638.38-2,582.18

Finding the Fourth Proportional to 8,425.57, 12,638.38 and 2,582.18

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Solution

The fourth proportional to 8,425.57, 12,638.38 and 2,582.18 is: 3,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.57 : 12,638.38 = 2,582.18 : x
  2. Step 2: Convert to fraction form
    8,425.57/12,638.38 = 2,582.18/x
  3. Step 3: Cross multiply
    8,425.57x = 12,638.38 × 2,582.18
  4. Step 4: Simplify right side
    8,425.57x = 32,634,554.66
  5. Step 5: Solve for x
    x = 32,634,554.66/8,425.57
  6. Step 6: Final answer
    x = 3,873.28

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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.