Home / 5,436.90-8,154.18-2,512.44

Finding the Fourth Proportional to 5,436.90, 8,154.18 and 2,512.44

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Solution

The fourth proportional to 5,436.90, 8,154.18 and 2,512.44 is: 3,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.90 : 8,154.18 = 2,512.44 : x
  2. Step 2: Convert to fraction form
    5,436.90/8,154.18 = 2,512.44/x
  3. Step 3: Cross multiply
    5,436.90x = 8,154.18 × 2,512.44
  4. Step 4: Simplify right side
    5,436.90x = 20,486,888.00
  5. Step 5: Solve for x
    x = 20,486,888.00/5,436.90
  6. Step 6: Final answer
    x = 3,768.12

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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.