Home / 4,720.80-7,108.64-3,496.88

Finding the Fourth Proportional to 4,720.80, 7,108.64 and 3,496.88

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Solution

The fourth proportional to 4,720.80, 7,108.64 and 3,496.88 is: 5,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.80 : 7,108.64 = 3,496.88 : x
  2. Step 2: Convert to fraction form
    4,720.80/7,108.64 = 3,496.88/x
  3. Step 3: Cross multiply
    4,720.80x = 7,108.64 × 3,496.88
  4. Step 4: Simplify right side
    4,720.80x = 24,858,061.04
  5. Step 5: Solve for x
    x = 24,858,061.04/4,720.80
  6. Step 6: Final answer
    x = 5,265.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.