Home / 6,890.40-10,335.60-1,696.26

Finding the Fourth Proportional to 6,890.40, 10,335.60 and 1,696.26

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Solution

The fourth proportional to 6,890.40, 10,335.60 and 1,696.26 is: 2,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.40 : 10,335.60 = 1,696.26 : x
  2. Step 2: Convert to fraction form
    6,890.40/10,335.60 = 1,696.26/x
  3. Step 3: Cross multiply
    6,890.40x = 10,335.60 × 1,696.26
  4. Step 4: Simplify right side
    6,890.40x = 17,531,864.86
  5. Step 5: Solve for x
    x = 17,531,864.86/6,890.40
  6. Step 6: Final answer
    x = 2,544.39

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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.