Home / 4,656-6,983.94-2,189.10

Finding the Fourth Proportional to 4,656, 6,983.94 and 2,189.10

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Solution

The fourth proportional to 4,656, 6,983.94 and 2,189.10 is: 3,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,656 : 6,983.94 = 2,189.10 : x
  2. Step 2: Convert to fraction form
    4,656/6,983.94 = 2,189.10/x
  3. Step 3: Cross multiply
    4,656x = 6,983.94 × 2,189.10
  4. Step 4: Simplify right side
    4,656x = 15,288,543.05
  5. Step 5: Solve for x
    x = 15,288,543.05/4,656
  6. Step 6: Final answer
    x = 3,283.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.