Home / 6,901.20-9,523.38-3,917.68

Finding the Fourth Proportional to 6,901.20, 9,523.38 and 3,917.68

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Solution

The fourth proportional to 6,901.20, 9,523.38 and 3,917.68 is: 5,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.20 : 9,523.38 = 3,917.68 : x
  2. Step 2: Convert to fraction form
    6,901.20/9,523.38 = 3,917.68/x
  3. Step 3: Cross multiply
    6,901.20x = 9,523.38 × 3,917.68
  4. Step 4: Simplify right side
    6,901.20x = 37,309,555.36
  5. Step 5: Solve for x
    x = 37,309,555.36/6,901.20
  6. Step 6: Final answer
    x = 5,406.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.