Home / 6,880.92-10,321.38-1,686.75

Finding the Fourth Proportional to 6,880.92, 10,321.38 and 1,686.75

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Solution

The fourth proportional to 6,880.92, 10,321.38 and 1,686.75 is: 2,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.92 : 10,321.38 = 1,686.75 : x
  2. Step 2: Convert to fraction form
    6,880.92/10,321.38 = 1,686.75/x
  3. Step 3: Cross multiply
    6,880.92x = 10,321.38 × 1,686.75
  4. Step 4: Simplify right side
    6,880.92x = 17,409,587.72
  5. Step 5: Solve for x
    x = 17,409,587.72/6,880.92
  6. Step 6: Final answer
    x = 2,530.13

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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.