Home / 4,770.96-7,154.16-2,172.24

Finding the Fourth Proportional to 4,770.96, 7,154.16 and 2,172.24

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Solution

The fourth proportional to 4,770.96, 7,154.16 and 2,172.24 is: 3,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.96 : 7,154.16 = 2,172.24 : x
  2. Step 2: Convert to fraction form
    4,770.96/7,154.16 = 2,172.24/x
  3. Step 3: Cross multiply
    4,770.96x = 7,154.16 × 2,172.24
  4. Step 4: Simplify right side
    4,770.96x = 15,540,552.52
  5. Step 5: Solve for x
    x = 15,540,552.52/4,770.96
  6. Step 6: Final answer
    x = 3,257.32

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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.