Home / 5,749.29-8,629.20-2,977.65

Finding the Fourth Proportional to 5,749.29, 8,629.20 and 2,977.65

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Solution

The fourth proportional to 5,749.29, 8,629.20 and 2,977.65 is: 4,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.29 : 8,629.20 = 2,977.65 : x
  2. Step 2: Convert to fraction form
    5,749.29/8,629.20 = 2,977.65/x
  3. Step 3: Cross multiply
    5,749.29x = 8,629.20 × 2,977.65
  4. Step 4: Simplify right side
    5,749.29x = 25,694,737.38
  5. Step 5: Solve for x
    x = 25,694,737.38/5,749.29
  6. Step 6: Final answer
    x = 4,469.20

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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.