Home / 6,986.68-10,479.80-2,604.18

Finding the Fourth Proportional to 6,986.68, 10,479.80 and 2,604.18

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Solution

The fourth proportional to 6,986.68, 10,479.80 and 2,604.18 is: 3,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.68 : 10,479.80 = 2,604.18 : x
  2. Step 2: Convert to fraction form
    6,986.68/10,479.80 = 2,604.18/x
  3. Step 3: Cross multiply
    6,986.68x = 10,479.80 × 2,604.18
  4. Step 4: Simplify right side
    6,986.68x = 27,291,285.56
  5. Step 5: Solve for x
    x = 27,291,285.56/6,986.68
  6. Step 6: Final answer
    x = 3,906.19

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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.