Home / 7,206.35-10,816.00-3,921.80

Finding the Fourth Proportional to 7,206.35, 10,816.00 and 3,921.80

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Solution

The fourth proportional to 7,206.35, 10,816.00 and 3,921.80 is: 5,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.35 : 10,816.00 = 3,921.80 : x
  2. Step 2: Convert to fraction form
    7,206.35/10,816.00 = 3,921.80/x
  3. Step 3: Cross multiply
    7,206.35x = 10,816.00 × 3,921.80
  4. Step 4: Simplify right side
    7,206.35x = 42,418,124.92
  5. Step 5: Solve for x
    x = 42,418,124.92/7,206.35
  6. Step 6: Final answer
    x = 5,886.22

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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.