Home / 5,538.06-7,645.70-3,648.95

Finding the Fourth Proportional to 5,538.06, 7,645.70 and 3,648.95

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Solution

The fourth proportional to 5,538.06, 7,645.70 and 3,648.95 is: 5,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.06 : 7,645.70 = 3,648.95 : x
  2. Step 2: Convert to fraction form
    5,538.06/7,645.70 = 3,648.95/x
  3. Step 3: Cross multiply
    5,538.06x = 7,645.70 × 3,648.95
  4. Step 4: Simplify right side
    5,538.06x = 27,898,777.02
  5. Step 5: Solve for x
    x = 27,898,777.02/5,538.06
  6. Step 6: Final answer
    x = 5,037.64

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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.