Home / 4,770.28-7,155.42-2,176.12

Finding the Fourth Proportional to 4,770.28, 7,155.42 and 2,176.12

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Solution

The fourth proportional to 4,770.28, 7,155.42 and 2,176.12 is: 3,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.28 : 7,155.42 = 2,176.12 : x
  2. Step 2: Convert to fraction form
    4,770.28/7,155.42 = 2,176.12/x
  3. Step 3: Cross multiply
    4,770.28x = 7,155.42 × 2,176.12
  4. Step 4: Simplify right side
    4,770.28x = 15,571,052.57
  5. Step 5: Solve for x
    x = 15,571,052.57/4,770.28
  6. Step 6: Final answer
    x = 3,264.18

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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.