Home / 7,387.54-10,183.49-5,256.70

Finding the Fourth Proportional to 7,387.54, 10,183.49 and 5,256.70

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Solution

The fourth proportional to 7,387.54, 10,183.49 and 5,256.70 is: 7,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.54 : 10,183.49 = 5,256.70 : x
  2. Step 2: Convert to fraction form
    7,387.54/10,183.49 = 5,256.70/x
  3. Step 3: Cross multiply
    7,387.54x = 10,183.49 × 5,256.70
  4. Step 4: Simplify right side
    7,387.54x = 53,531,519.85
  5. Step 5: Solve for x
    x = 53,531,519.85/7,387.54
  6. Step 6: Final answer
    x = 7,246.19

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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.