Home / 8,436.61-12,655.52-3,242.48

Finding the Fourth Proportional to 8,436.61, 12,655.52 and 3,242.48

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Solution

The fourth proportional to 8,436.61, 12,655.52 and 3,242.48 is: 4,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.61 : 12,655.52 = 3,242.48 : x
  2. Step 2: Convert to fraction form
    8,436.61/12,655.52 = 3,242.48/x
  3. Step 3: Cross multiply
    8,436.61x = 12,655.52 × 3,242.48
  4. Step 4: Simplify right side
    8,436.61x = 41,035,254.28
  5. Step 5: Solve for x
    x = 41,035,254.28/8,436.61
  6. Step 6: Final answer
    x = 4,863.95

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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.