Home / 4,759.68-7,140.40-2,162.80

Finding the Fourth Proportional to 4,759.68, 7,140.40 and 2,162.80

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Solution

The fourth proportional to 4,759.68, 7,140.40 and 2,162.80 is: 3,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.68 : 7,140.40 = 2,162.80 : x
  2. Step 2: Convert to fraction form
    4,759.68/7,140.40 = 2,162.80/x
  3. Step 3: Cross multiply
    4,759.68x = 7,140.40 × 2,162.80
  4. Step 4: Simplify right side
    4,759.68x = 15,443,257.12
  5. Step 5: Solve for x
    x = 15,443,257.12/4,759.68
  6. Step 6: Final answer
    x = 3,244.60

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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.