Home / 6,621.36-9,932.04-1,691.01

Finding the Fourth Proportional to 6,621.36, 9,932.04 and 1,691.01

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Solution

The fourth proportional to 6,621.36, 9,932.04 and 1,691.01 is: 2,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.36 : 9,932.04 = 1,691.01 : x
  2. Step 2: Convert to fraction form
    6,621.36/9,932.04 = 1,691.01/x
  3. Step 3: Cross multiply
    6,621.36x = 9,932.04 × 1,691.01
  4. Step 4: Simplify right side
    6,621.36x = 16,795,178.96
  5. Step 5: Solve for x
    x = 16,795,178.96/6,621.36
  6. Step 6: Final answer
    x = 2,536.52

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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.