Home / 5,538.09-7,641.69-3,299.91

Finding the Fourth Proportional to 5,538.09, 7,641.69 and 3,299.91

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Solution

The fourth proportional to 5,538.09, 7,641.69 and 3,299.91 is: 4,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.09 : 7,641.69 = 3,299.91 : x
  2. Step 2: Convert to fraction form
    5,538.09/7,641.69 = 3,299.91/x
  3. Step 3: Cross multiply
    5,538.09x = 7,641.69 × 3,299.91
  4. Step 4: Simplify right side
    5,538.09x = 25,216,889.25
  5. Step 5: Solve for x
    x = 25,216,889.25/5,538.09
  6. Step 6: Final answer
    x = 4,553.35

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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.