Home / 6,603.17-9,902.46-1,921.91

Finding the Fourth Proportional to 6,603.17, 9,902.46 and 1,921.91

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Solution

The fourth proportional to 6,603.17, 9,902.46 and 1,921.91 is: 2,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.17 : 9,902.46 = 1,921.91 : x
  2. Step 2: Convert to fraction form
    6,603.17/9,902.46 = 1,921.91/x
  3. Step 3: Cross multiply
    6,603.17x = 9,902.46 × 1,921.91
  4. Step 4: Simplify right side
    6,603.17x = 19,031,636.90
  5. Step 5: Solve for x
    x = 19,031,636.90/6,603.17
  6. Step 6: Final answer
    x = 2,882.20

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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.