Home / 8,432.58-12,651.39-3,751.95

Finding the Fourth Proportional to 8,432.58, 12,651.39 and 3,751.95

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Solution

The fourth proportional to 8,432.58, 12,651.39 and 3,751.95 is: 5,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.58 : 12,651.39 = 3,751.95 : x
  2. Step 2: Convert to fraction form
    8,432.58/12,651.39 = 3,751.95/x
  3. Step 3: Cross multiply
    8,432.58x = 12,651.39 × 3,751.95
  4. Step 4: Simplify right side
    8,432.58x = 47,467,382.71
  5. Step 5: Solve for x
    x = 47,467,382.71/8,432.58
  6. Step 6: Final answer
    x = 5,629.05

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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.