Home / 6,901.68-10,345.62-3,571.36

Finding the Fourth Proportional to 6,901.68, 10,345.62 and 3,571.36

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Solution

The fourth proportional to 6,901.68, 10,345.62 and 3,571.36 is: 5,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.68 : 10,345.62 = 3,571.36 : x
  2. Step 2: Convert to fraction form
    6,901.68/10,345.62 = 3,571.36/x
  3. Step 3: Cross multiply
    6,901.68x = 10,345.62 × 3,571.36
  4. Step 4: Simplify right side
    6,901.68x = 36,947,933.44
  5. Step 5: Solve for x
    x = 36,947,933.44/6,901.68
  6. Step 6: Final answer
    x = 5,353.47

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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.