Home / 4,785.62-7,168.10-2,589.71

Finding the Fourth Proportional to 4,785.62, 7,168.10 and 2,589.71

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Solution

The fourth proportional to 4,785.62, 7,168.10 and 2,589.71 is: 3,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.62 : 7,168.10 = 2,589.71 : x
  2. Step 2: Convert to fraction form
    4,785.62/7,168.10 = 2,589.71/x
  3. Step 3: Cross multiply
    4,785.62x = 7,168.10 × 2,589.71
  4. Step 4: Simplify right side
    4,785.62x = 18,563,251.46
  5. Step 5: Solve for x
    x = 18,563,251.46/4,785.62
  6. Step 6: Final answer
    x = 3,878.97

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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.