Home / 4,378.02-6,568.11-3,894.72

Finding the Fourth Proportional to 4,378.02, 6,568.11 and 3,894.72

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Solution

The fourth proportional to 4,378.02, 6,568.11 and 3,894.72 is: 5,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.02 : 6,568.11 = 3,894.72 : x
  2. Step 2: Convert to fraction form
    4,378.02/6,568.11 = 3,894.72/x
  3. Step 3: Cross multiply
    4,378.02x = 6,568.11 × 3,894.72
  4. Step 4: Simplify right side
    4,378.02x = 25,580,949.38
  5. Step 5: Solve for x
    x = 25,580,949.38/4,378.02
  6. Step 6: Final answer
    x = 5,843.04

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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.