Home / 6,678.88-10,017.55-1,749

Finding the Fourth Proportional to 6,678.88, 10,017.55 and 1,749

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Solution

The fourth proportional to 6,678.88, 10,017.55 and 1,749 is: 2,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.88 : 10,017.55 = 1,749 : x
  2. Step 2: Convert to fraction form
    6,678.88/10,017.55 = 1,749/x
  3. Step 3: Cross multiply
    6,678.88x = 10,017.55 × 1,749
  4. Step 4: Simplify right side
    6,678.88x = 17,520,694.95
  5. Step 5: Solve for x
    x = 17,520,694.95/6,678.88
  6. Step 6: Final answer
    x = 2,623.30

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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.