Home / 7,362.92-10,161.76-4,219.12

Finding the Fourth Proportional to 7,362.92, 10,161.76 and 4,219.12

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Solution

The fourth proportional to 7,362.92, 10,161.76 and 4,219.12 is: 5,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.92 : 10,161.76 = 4,219.12 : x
  2. Step 2: Convert to fraction form
    7,362.92/10,161.76 = 4,219.12/x
  3. Step 3: Cross multiply
    7,362.92x = 10,161.76 × 4,219.12
  4. Step 4: Simplify right side
    7,362.92x = 42,873,684.85
  5. Step 5: Solve for x
    x = 42,873,684.85/7,362.92
  6. Step 6: Final answer
    x = 5,822.92

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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.