Home / 6,275.91-8,660.88-3,443.12

Finding the Fourth Proportional to 6,275.91, 8,660.88 and 3,443.12

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Solution

The fourth proportional to 6,275.91, 8,660.88 and 3,443.12 is: 4,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.91 : 8,660.88 = 3,443.12 : x
  2. Step 2: Convert to fraction form
    6,275.91/8,660.88 = 3,443.12/x
  3. Step 3: Cross multiply
    6,275.91x = 8,660.88 × 3,443.12
  4. Step 4: Simplify right side
    6,275.91x = 29,820,405.84
  5. Step 5: Solve for x
    x = 29,820,405.84/6,275.91
  6. Step 6: Final answer
    x = 4,751.57

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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.