Home / 5,436.78-8,151.88-2,968.18

Finding the Fourth Proportional to 5,436.78, 8,151.88 and 2,968.18

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Solution

The fourth proportional to 5,436.78, 8,151.88 and 2,968.18 is: 4,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.78 : 8,151.88 = 2,968.18 : x
  2. Step 2: Convert to fraction form
    5,436.78/8,151.88 = 2,968.18/x
  3. Step 3: Cross multiply
    5,436.78x = 8,151.88 × 2,968.18
  4. Step 4: Simplify right side
    5,436.78x = 24,196,247.18
  5. Step 5: Solve for x
    x = 24,196,247.18/5,436.78
  6. Step 6: Final answer
    x = 4,450.47

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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.