Home / 4,660.47-6,432.75-2,891.07

Finding the Fourth Proportional to 4,660.47, 6,432.75 and 2,891.07

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Solution

The fourth proportional to 4,660.47, 6,432.75 and 2,891.07 is: 3,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.47 : 6,432.75 = 2,891.07 : x
  2. Step 2: Convert to fraction form
    4,660.47/6,432.75 = 2,891.07/x
  3. Step 3: Cross multiply
    4,660.47x = 6,432.75 × 2,891.07
  4. Step 4: Simplify right side
    4,660.47x = 18,597,530.54
  5. Step 5: Solve for x
    x = 18,597,530.54/4,660.47
  6. Step 6: Final answer
    x = 3,990.48

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Half scale
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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.