Home / 6,860.29-9,467.16-3,877.09

Finding the Fourth Proportional to 6,860.29, 9,467.16 and 3,877.09

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Solution

The fourth proportional to 6,860.29, 9,467.16 and 3,877.09 is: 5,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.29 : 9,467.16 = 3,877.09 : x
  2. Step 2: Convert to fraction form
    6,860.29/9,467.16 = 3,877.09/x
  3. Step 3: Cross multiply
    6,860.29x = 9,467.16 × 3,877.09
  4. Step 4: Simplify right side
    6,860.29x = 36,705,031.36
  5. Step 5: Solve for x
    x = 36,705,031.36/6,860.29
  6. Step 6: Final answer
    x = 5,350.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.