Home / 5,548.19-7,645.97-3,973.55

Finding the Fourth Proportional to 5,548.19, 7,645.97 and 3,973.55

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Solution

The fourth proportional to 5,548.19, 7,645.97 and 3,973.55 is: 5,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.19 : 7,645.97 = 3,973.55 : x
  2. Step 2: Convert to fraction form
    5,548.19/7,645.97 = 3,973.55/x
  3. Step 3: Cross multiply
    5,548.19x = 7,645.97 × 3,973.55
  4. Step 4: Simplify right side
    5,548.19x = 30,381,615.80
  5. Step 5: Solve for x
    x = 30,381,615.80/5,548.19
  6. Step 6: Final answer
    x = 5,475.96

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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.