Home / 4,960.68-7,430.90-2,770.58

Finding the Fourth Proportional to 4,960.68, 7,430.90 and 2,770.58

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Solution

The fourth proportional to 4,960.68, 7,430.90 and 2,770.58 is: 4,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,960.68 : 7,430.90 = 2,770.58 : x
  2. Step 2: Convert to fraction form
    4,960.68/7,430.90 = 2,770.58/x
  3. Step 3: Cross multiply
    4,960.68x = 7,430.90 × 2,770.58
  4. Step 4: Simplify right side
    4,960.68x = 20,587,851.91
  5. Step 5: Solve for x
    x = 20,587,851.91/4,960.68
  6. Step 6: Final answer
    x = 4,150.21

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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.