Home / 8,434.61-12,652.52-3,240.48

Finding the Fourth Proportional to 8,434.61, 12,652.52 and 3,240.48

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Solution

The fourth proportional to 8,434.61, 12,652.52 and 3,240.48 is: 4,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.61 : 12,652.52 = 3,240.48 : x
  2. Step 2: Convert to fraction form
    8,434.61/12,652.52 = 3,240.48/x
  3. Step 3: Cross multiply
    8,434.61x = 12,652.52 × 3,240.48
  4. Step 4: Simplify right side
    8,434.61x = 41,000,221.81
  5. Step 5: Solve for x
    x = 41,000,221.81/8,434.61
  6. Step 6: Final answer
    x = 4,860.95

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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.