Home / 6,072.80-8,374.60-3,948.92

Finding the Fourth Proportional to 6,072.80, 8,374.60 and 3,948.92

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Solution

The fourth proportional to 6,072.80, 8,374.60 and 3,948.92 is: 5,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.80 : 8,374.60 = 3,948.92 : x
  2. Step 2: Convert to fraction form
    6,072.80/8,374.60 = 3,948.92/x
  3. Step 3: Cross multiply
    6,072.80x = 8,374.60 × 3,948.92
  4. Step 4: Simplify right side
    6,072.80x = 33,070,625.43
  5. Step 5: Solve for x
    x = 33,070,625.43/6,072.80
  6. Step 6: Final answer
    x = 5,445.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.