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Finding the Fourth Proportional to 5,751.47, 8,627.11 and 2,288.72

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Solution

The fourth proportional to 5,751.47, 8,627.11 and 2,288.72 is: 3,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.47 : 8,627.11 = 2,288.72 : x
  2. Step 2: Convert to fraction form
    5,751.47/8,627.11 = 2,288.72/x
  3. Step 3: Cross multiply
    5,751.47x = 8,627.11 × 2,288.72
  4. Step 4: Simplify right side
    5,751.47x = 19,745,055.05
  5. Step 5: Solve for x
    x = 19,745,055.05/5,751.47
  6. Step 6: Final answer
    x = 3,433.04

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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.