Home / 5,104.85-7,657.96-3,520.64

Finding the Fourth Proportional to 5,104.85, 7,657.96 and 3,520.64

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Solution

The fourth proportional to 5,104.85, 7,657.96 and 3,520.64 is: 5,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.85 : 7,657.96 = 3,520.64 : x
  2. Step 2: Convert to fraction form
    5,104.85/7,657.96 = 3,520.64/x
  3. Step 3: Cross multiply
    5,104.85x = 7,657.96 × 3,520.64
  4. Step 4: Simplify right side
    5,104.85x = 26,960,920.29
  5. Step 5: Solve for x
    x = 26,960,920.29/5,104.85
  6. Step 6: Final answer
    x = 5,281.43

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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.