Home / 7,247.80-10,001.64-4,103.92

Finding the Fourth Proportional to 7,247.80, 10,001.64 and 4,103.92

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Solution

The fourth proportional to 7,247.80, 10,001.64 and 4,103.92 is: 5,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.80 : 10,001.64 = 4,103.92 : x
  2. Step 2: Convert to fraction form
    7,247.80/10,001.64 = 4,103.92/x
  3. Step 3: Cross multiply
    7,247.80x = 10,001.64 × 4,103.92
  4. Step 4: Simplify right side
    7,247.80x = 41,045,930.43
  5. Step 5: Solve for x
    x = 41,045,930.43/7,247.80
  6. Step 6: Final answer
    x = 5,663.23

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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.