Home / 4,657.05-6,423.98-2,887.38

Finding the Fourth Proportional to 4,657.05, 6,423.98 and 2,887.38

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Solution

The fourth proportional to 4,657.05, 6,423.98 and 2,887.38 is: 3,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.05 : 6,423.98 = 2,887.38 : x
  2. Step 2: Convert to fraction form
    4,657.05/6,423.98 = 2,887.38/x
  3. Step 3: Cross multiply
    4,657.05x = 6,423.98 × 2,887.38
  4. Step 4: Simplify right side
    4,657.05x = 18,548,456.94
  5. Step 5: Solve for x
    x = 18,548,456.94/4,657.05
  6. Step 6: Final answer
    x = 3,982.88

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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.