Home / 8,376.41-12,552.99-3,689.39

Finding the Fourth Proportional to 8,376.41, 12,552.99 and 3,689.39

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Solution

The fourth proportional to 8,376.41, 12,552.99 and 3,689.39 is: 5,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.41 : 12,552.99 = 3,689.39 : x
  2. Step 2: Convert to fraction form
    8,376.41/12,552.99 = 3,689.39/x
  3. Step 3: Cross multiply
    8,376.41x = 12,552.99 × 3,689.39
  4. Step 4: Simplify right side
    8,376.41x = 46,312,813.01
  5. Step 5: Solve for x
    x = 46,312,813.01/8,376.41
  6. Step 6: Final answer
    x = 5,528.96

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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.