Home / 7,577.80-11,367.22-2,312.85

Finding the Fourth Proportional to 7,577.80, 11,367.22 and 2,312.85

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Solution

The fourth proportional to 7,577.80, 11,367.22 and 2,312.85 is: 3,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.80 : 11,367.22 = 2,312.85 : x
  2. Step 2: Convert to fraction form
    7,577.80/11,367.22 = 2,312.85/x
  3. Step 3: Cross multiply
    7,577.80x = 11,367.22 × 2,312.85
  4. Step 4: Simplify right side
    7,577.80x = 26,290,639.15
  5. Step 5: Solve for x
    x = 26,290,639.15/7,577.80
  6. Step 6: Final answer
    x = 3,469.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.