Home / 7,822.42-10,791.33-4,508.50

Finding the Fourth Proportional to 7,822.42, 10,791.33 and 4,508.50

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Solution

The fourth proportional to 7,822.42, 10,791.33 and 4,508.50 is: 6,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.42 : 10,791.33 = 4,508.50 : x
  2. Step 2: Convert to fraction form
    7,822.42/10,791.33 = 4,508.50/x
  3. Step 3: Cross multiply
    7,822.42x = 10,791.33 × 4,508.50
  4. Step 4: Simplify right side
    7,822.42x = 48,652,711.31
  5. Step 5: Solve for x
    x = 48,652,711.31/7,822.42
  6. Step 6: Final answer
    x = 6,219.65

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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.