Home / 4,073.39-5,621.46-3,187.65

Finding the Fourth Proportional to 4,073.39, 5,621.46 and 3,187.65

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Solution

The fourth proportional to 4,073.39, 5,621.46 and 3,187.65 is: 4,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.39 : 5,621.46 = 3,187.65 : x
  2. Step 2: Convert to fraction form
    4,073.39/5,621.46 = 3,187.65/x
  3. Step 3: Cross multiply
    4,073.39x = 5,621.46 × 3,187.65
  4. Step 4: Simplify right side
    4,073.39x = 17,919,256.10
  5. Step 5: Solve for x
    x = 17,919,256.10/4,073.39
  6. Step 6: Final answer
    x = 4,399.10

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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.