Home / 5,577.28-8,325.92-5,188.48

Finding the Fourth Proportional to 5,577.28, 8,325.92 and 5,188.48

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Solution

The fourth proportional to 5,577.28, 8,325.92 and 5,188.48 is: 7,745.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.28 : 8,325.92 = 5,188.48 : x
  2. Step 2: Convert to fraction form
    5,577.28/8,325.92 = 5,188.48/x
  3. Step 3: Cross multiply
    5,577.28x = 8,325.92 × 5,188.48
  4. Step 4: Simplify right side
    5,577.28x = 43,198,869.40
  5. Step 5: Solve for x
    x = 43,198,869.40/5,577.28
  6. Step 6: Final answer
    x = 7,745.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.