Home / 6,890.30-10,335.48-1,696.18

Finding the Fourth Proportional to 6,890.30, 10,335.48 and 1,696.18

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Solution

The fourth proportional to 6,890.30, 10,335.48 and 1,696.18 is: 2,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.30 : 10,335.48 = 1,696.18 : x
  2. Step 2: Convert to fraction form
    6,890.30/10,335.48 = 1,696.18/x
  3. Step 3: Cross multiply
    6,890.30x = 10,335.48 × 1,696.18
  4. Step 4: Simplify right side
    6,890.30x = 17,530,802.27
  5. Step 5: Solve for x
    x = 17,530,802.27/6,890.30
  6. Step 6: Final answer
    x = 2,544.27

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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.