Home / 8,392.02-12,587.49-2,236.02

Finding the Fourth Proportional to 8,392.02, 12,587.49 and 2,236.02

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Solution

The fourth proportional to 8,392.02, 12,587.49 and 2,236.02 is: 3,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.02 : 12,587.49 = 2,236.02 : x
  2. Step 2: Convert to fraction form
    8,392.02/12,587.49 = 2,236.02/x
  3. Step 3: Cross multiply
    8,392.02x = 12,587.49 × 2,236.02
  4. Step 4: Simplify right side
    8,392.02x = 28,145,879.39
  5. Step 5: Solve for x
    x = 28,145,879.39/8,392.02
  6. Step 6: Final answer
    x = 3,353.89

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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.