Home / 7,219.52-10,820.96-3,934.16

Finding the Fourth Proportional to 7,219.52, 10,820.96 and 3,934.16

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Solution

The fourth proportional to 7,219.52, 10,820.96 and 3,934.16 is: 5,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.52 : 10,820.96 = 3,934.16 : x
  2. Step 2: Convert to fraction form
    7,219.52/10,820.96 = 3,934.16/x
  3. Step 3: Cross multiply
    7,219.52x = 10,820.96 × 3,934.16
  4. Step 4: Simplify right side
    7,219.52x = 42,571,387.99
  5. Step 5: Solve for x
    x = 42,571,387.99/7,219.52
  6. Step 6: Final answer
    x = 5,896.71

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1.5x scale

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.