Home / 6,276.20-8,661.11-3,443.49

Finding the Fourth Proportional to 6,276.20, 8,661.11 and 3,443.49

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Solution

The fourth proportional to 6,276.20, 8,661.11 and 3,443.49 is: 4,751.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.20 : 8,661.11 = 3,443.49 : x
  2. Step 2: Convert to fraction form
    6,276.20/8,661.11 = 3,443.49/x
  3. Step 3: Cross multiply
    6,276.20x = 8,661.11 × 3,443.49
  4. Step 4: Simplify right side
    6,276.20x = 29,824,428.46
  5. Step 5: Solve for x
    x = 29,824,428.46/6,276.20
  6. Step 6: Final answer
    x = 4,751.99

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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.