Home / 5,150.16-7,108.90-3,025.65

Finding the Fourth Proportional to 5,150.16, 7,108.90 and 3,025.65

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Solution

The fourth proportional to 5,150.16, 7,108.90 and 3,025.65 is: 4,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.16 : 7,108.90 = 3,025.65 : x
  2. Step 2: Convert to fraction form
    5,150.16/7,108.90 = 3,025.65/x
  3. Step 3: Cross multiply
    5,150.16x = 7,108.90 × 3,025.65
  4. Step 4: Simplify right side
    5,150.16x = 21,509,062.38
  5. Step 5: Solve for x
    x = 21,509,062.38/5,150.16
  6. Step 6: Final answer
    x = 4,176.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.