Home / 6,678.26-9,216.16-3,694.15

Finding the Fourth Proportional to 6,678.26, 9,216.16 and 3,694.15

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Solution

The fourth proportional to 6,678.26, 9,216.16 and 3,694.15 is: 5,098.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.26 : 9,216.16 = 3,694.15 : x
  2. Step 2: Convert to fraction form
    6,678.26/9,216.16 = 3,694.15/x
  3. Step 3: Cross multiply
    6,678.26x = 9,216.16 × 3,694.15
  4. Step 4: Simplify right side
    6,678.26x = 34,045,877.46
  5. Step 5: Solve for x
    x = 34,045,877.46/6,678.26
  6. Step 6: Final answer
    x = 5,098.02

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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.