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Finding the Fourth Proportional to 6,124.80, 8,453.76 and 3,473.80

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Solution

The fourth proportional to 6,124.80, 8,453.76 and 3,473.80 is: 4,794.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.80 : 8,453.76 = 3,473.80 : x
  2. Step 2: Convert to fraction form
    6,124.80/8,453.76 = 3,473.80/x
  3. Step 3: Cross multiply
    6,124.80x = 8,453.76 × 3,473.80
  4. Step 4: Simplify right side
    6,124.80x = 29,366,671.49
  5. Step 5: Solve for x
    x = 29,366,671.49/6,124.80
  6. Step 6: Final answer
    x = 4,794.72

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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.