Home / 8,377.09-12,557.82-2,826.55

Finding the Fourth Proportional to 8,377.09, 12,557.82 and 2,826.55

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Solution

The fourth proportional to 8,377.09, 12,557.82 and 2,826.55 is: 4,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.09 : 12,557.82 = 2,826.55 : x
  2. Step 2: Convert to fraction form
    8,377.09/12,557.82 = 2,826.55/x
  3. Step 3: Cross multiply
    8,377.09x = 12,557.82 × 2,826.55
  4. Step 4: Simplify right side
    8,377.09x = 35,495,316.52
  5. Step 5: Solve for x
    x = 35,495,316.52/8,377.09
  6. Step 6: Final answer
    x = 4,237.19

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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.