Home / 4,770.68-7,159.35-3,213.65

Finding the Fourth Proportional to 4,770.68, 7,159.35 and 3,213.65

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Solution

The fourth proportional to 4,770.68, 7,159.35 and 3,213.65 is: 4,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.68 : 7,159.35 = 3,213.65 : x
  2. Step 2: Convert to fraction form
    4,770.68/7,159.35 = 3,213.65/x
  3. Step 3: Cross multiply
    4,770.68x = 7,159.35 × 3,213.65
  4. Step 4: Simplify right side
    4,770.68x = 23,007,609.33
  5. Step 5: Solve for x
    x = 23,007,609.33/4,770.68
  6. Step 6: Final answer
    x = 4,822.72

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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.