Home / 5,548.56-7,655.40-3,189.84

Finding the Fourth Proportional to 5,548.56, 7,655.40 and 3,189.84

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Solution

The fourth proportional to 5,548.56, 7,655.40 and 3,189.84 is: 4,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.56 : 7,655.40 = 3,189.84 : x
  2. Step 2: Convert to fraction form
    5,548.56/7,655.40 = 3,189.84/x
  3. Step 3: Cross multiply
    5,548.56x = 7,655.40 × 3,189.84
  4. Step 4: Simplify right side
    5,548.56x = 24,419,501.14
  5. Step 5: Solve for x
    x = 24,419,501.14/5,548.56
  6. Step 6: Final answer
    x = 4,401.05

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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.