Home / 6,890.64-10,336.02-1,696.56

Finding the Fourth Proportional to 6,890.64, 10,336.02 and 1,696.56

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Solution

The fourth proportional to 6,890.64, 10,336.02 and 1,696.56 is: 2,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.64 : 10,336.02 = 1,696.56 : x
  2. Step 2: Convert to fraction form
    6,890.64/10,336.02 = 1,696.56/x
  3. Step 3: Cross multiply
    6,890.64x = 10,336.02 × 1,696.56
  4. Step 4: Simplify right side
    6,890.64x = 17,535,678.09
  5. Step 5: Solve for x
    x = 17,535,678.09/6,890.64
  6. Step 6: Final answer
    x = 2,544.85

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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.