Home / 4,755.85-7,135.80-3,294.21

Finding the Fourth Proportional to 4,755.85, 7,135.80 and 3,294.21

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Solution

The fourth proportional to 4,755.85, 7,135.80 and 3,294.21 is: 4,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.85 : 7,135.80 = 3,294.21 : x
  2. Step 2: Convert to fraction form
    4,755.85/7,135.80 = 3,294.21/x
  3. Step 3: Cross multiply
    4,755.85x = 7,135.80 × 3,294.21
  4. Step 4: Simplify right side
    4,755.85x = 23,506,823.72
  5. Step 5: Solve for x
    x = 23,506,823.72/4,755.85
  6. Step 6: Final answer
    x = 4,942.72

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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.