Home / 6,988.88-10,476.72-2,603.36

Finding the Fourth Proportional to 6,988.88, 10,476.72 and 2,603.36

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Solution

The fourth proportional to 6,988.88, 10,476.72 and 2,603.36 is: 3,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.88 : 10,476.72 = 2,603.36 : x
  2. Step 2: Convert to fraction form
    6,988.88/10,476.72 = 2,603.36/x
  3. Step 3: Cross multiply
    6,988.88x = 10,476.72 × 2,603.36
  4. Step 4: Simplify right side
    6,988.88x = 27,274,673.78
  5. Step 5: Solve for x
    x = 27,274,673.78/6,988.88
  6. Step 6: Final answer
    x = 3,902.58

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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.