Home / 7,320.26-10,968.50-4,391.30

Finding the Fourth Proportional to 7,320.26, 10,968.50 and 4,391.30

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Solution

The fourth proportional to 7,320.26, 10,968.50 and 4,391.30 is: 6,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.26 : 10,968.50 = 4,391.30 : x
  2. Step 2: Convert to fraction form
    7,320.26/10,968.50 = 4,391.30/x
  3. Step 3: Cross multiply
    7,320.26x = 10,968.50 × 4,391.30
  4. Step 4: Simplify right side
    7,320.26x = 48,165,974.05
  5. Step 5: Solve for x
    x = 48,165,974.05/7,320.26
  6. Step 6: Final answer
    x = 6,579.82

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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.