Home / 5,577.26-7,704.62-4,456.72

Finding the Fourth Proportional to 5,577.26, 7,704.62 and 4,456.72

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Solution

The fourth proportional to 5,577.26, 7,704.62 and 4,456.72 is: 6,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.26 : 7,704.62 = 4,456.72 : x
  2. Step 2: Convert to fraction form
    5,577.26/7,704.62 = 4,456.72/x
  3. Step 3: Cross multiply
    5,577.26x = 7,704.62 × 4,456.72
  4. Step 4: Simplify right side
    5,577.26x = 34,337,338.11
  5. Step 5: Solve for x
    x = 34,337,338.11/5,577.26
  6. Step 6: Final answer
    x = 6,156.67

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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.