Home / 6,621.84-9,926.24-3,161.52

Finding the Fourth Proportional to 6,621.84, 9,926.24 and 3,161.52

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Solution

The fourth proportional to 6,621.84, 9,926.24 and 3,161.52 is: 4,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.84 : 9,926.24 = 3,161.52 : x
  2. Step 2: Convert to fraction form
    6,621.84/9,926.24 = 3,161.52/x
  3. Step 3: Cross multiply
    6,621.84x = 9,926.24 × 3,161.52
  4. Step 4: Simplify right side
    6,621.84x = 31,382,006.28
  5. Step 5: Solve for x
    x = 31,382,006.28/6,621.84
  6. Step 6: Final answer
    x = 4,739.17

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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.