Home / 6,275.60-8,660.53-3,443.21

Finding the Fourth Proportional to 6,275.60, 8,660.53 and 3,443.21

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Solution

The fourth proportional to 6,275.60, 8,660.53 and 3,443.21 is: 4,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.60 : 8,660.53 = 3,443.21 : x
  2. Step 2: Convert to fraction form
    6,275.60/8,660.53 = 3,443.21/x
  3. Step 3: Cross multiply
    6,275.60x = 8,660.53 × 3,443.21
  4. Step 4: Simplify right side
    6,275.60x = 29,819,962.98
  5. Step 5: Solve for x
    x = 29,819,962.98/6,275.60
  6. Step 6: Final answer
    x = 4,751.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.