Home / 7,337.03-10,124.82-3,979.78

Finding the Fourth Proportional to 7,337.03, 10,124.82 and 3,979.78

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Solution

The fourth proportional to 7,337.03, 10,124.82 and 3,979.78 is: 5,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.03 : 10,124.82 = 3,979.78 : x
  2. Step 2: Convert to fraction form
    7,337.03/10,124.82 = 3,979.78/x
  3. Step 3: Cross multiply
    7,337.03x = 10,124.82 × 3,979.78
  4. Step 4: Simplify right side
    7,337.03x = 40,294,556.14
  5. Step 5: Solve for x
    x = 40,294,556.14/7,337.03
  6. Step 6: Final answer
    x = 5,491.94

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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.