Home / 6,775.36-10,169.28-3,490.72

Finding the Fourth Proportional to 6,775.36, 10,169.28 and 3,490.72

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Solution

The fourth proportional to 6,775.36, 10,169.28 and 3,490.72 is: 5,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.36 : 10,169.28 = 3,490.72 : x
  2. Step 2: Convert to fraction form
    6,775.36/10,169.28 = 3,490.72/x
  3. Step 3: Cross multiply
    6,775.36x = 10,169.28 × 3,490.72
  4. Step 4: Simplify right side
    6,775.36x = 35,498,109.08
  5. Step 5: Solve for x
    x = 35,498,109.08/6,775.36
  6. Step 6: Final answer
    x = 5,239.29

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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.