Home / 6,275.72-8,660.64-3,443.21

Finding the Fourth Proportional to 6,275.72, 8,660.64 and 3,443.21

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Solution

The fourth proportional to 6,275.72, 8,660.64 and 3,443.21 is: 4,751.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.72 : 8,660.64 = 3,443.21 : x
  2. Step 2: Convert to fraction form
    6,275.72/8,660.64 = 3,443.21/x
  3. Step 3: Cross multiply
    6,275.72x = 8,660.64 × 3,443.21
  4. Step 4: Simplify right side
    6,275.72x = 29,820,358.95
  5. Step 5: Solve for x
    x = 29,820,358.95/6,275.72
  6. Step 6: Final answer
    x = 4,751.71

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Find fourth proportional to 6,276.72, 8,662.02 and 3,444.21
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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.