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Finding the Fourth Proportional to 6,483.25, 8,947.97 and 4,908.61

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Solution

The fourth proportional to 6,483.25, 8,947.97 and 4,908.61 is: 6,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.25 : 8,947.97 = 4,908.61 : x
  2. Step 2: Convert to fraction form
    6,483.25/8,947.97 = 4,908.61/x
  3. Step 3: Cross multiply
    6,483.25x = 8,947.97 × 4,908.61
  4. Step 4: Simplify right side
    6,483.25x = 43,922,095.02
  5. Step 5: Solve for x
    x = 43,922,095.02/6,483.25
  6. Step 6: Final answer
    x = 6,774.70

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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.