Home / 6,278.07-9,414.37-2,117.30

Finding the Fourth Proportional to 6,278.07, 9,414.37 and 2,117.30

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Solution

The fourth proportional to 6,278.07, 9,414.37 and 2,117.30 is: 3,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.07 : 9,414.37 = 2,117.30 : x
  2. Step 2: Convert to fraction form
    6,278.07/9,414.37 = 2,117.30/x
  3. Step 3: Cross multiply
    6,278.07x = 9,414.37 × 2,117.30
  4. Step 4: Simplify right side
    6,278.07x = 19,933,035.01
  5. Step 5: Solve for x
    x = 19,933,035.01/6,278.07
  6. Step 6: Final answer
    x = 3,175.03

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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.