Home / 5,387.58-8,083.80-2,753.46

Finding the Fourth Proportional to 5,387.58, 8,083.80 and 2,753.46

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Solution

The fourth proportional to 5,387.58, 8,083.80 and 2,753.46 is: 4,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.58 : 8,083.80 = 2,753.46 : x
  2. Step 2: Convert to fraction form
    5,387.58/8,083.80 = 2,753.46/x
  3. Step 3: Cross multiply
    5,387.58x = 8,083.80 × 2,753.46
  4. Step 4: Simplify right side
    5,387.58x = 22,258,419.95
  5. Step 5: Solve for x
    x = 22,258,419.95/5,387.58
  6. Step 6: Final answer
    x = 4,131.43

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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.