Home / 6,880.94-10,321.61-1,686.81

Finding the Fourth Proportional to 6,880.94, 10,321.61 and 1,686.81

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Solution

The fourth proportional to 6,880.94, 10,321.61 and 1,686.81 is: 2,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.94 : 10,321.61 = 1,686.81 : x
  2. Step 2: Convert to fraction form
    6,880.94/10,321.61 = 1,686.81/x
  3. Step 3: Cross multiply
    6,880.94x = 10,321.61 × 1,686.81
  4. Step 4: Simplify right side
    6,880.94x = 17,410,586.53
  5. Step 5: Solve for x
    x = 17,410,586.53/6,880.94
  6. Step 6: Final answer
    x = 2,530.26

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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.