Home / 8,675.62-13,013.43-2,101.79

Finding the Fourth Proportional to 8,675.62, 13,013.43 and 2,101.79

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Solution

The fourth proportional to 8,675.62, 13,013.43 and 2,101.79 is: 3,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.62 : 13,013.43 = 2,101.79 : x
  2. Step 2: Convert to fraction form
    8,675.62/13,013.43 = 2,101.79/x
  3. Step 3: Cross multiply
    8,675.62x = 13,013.43 × 2,101.79
  4. Step 4: Simplify right side
    8,675.62x = 27,351,521.69
  5. Step 5: Solve for x
    x = 27,351,521.69/8,675.62
  6. Step 6: Final answer
    x = 3,152.69

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1.5x scale

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.