Home / 6,718.32-9,271.96-3,924.08

Finding the Fourth Proportional to 6,718.32, 9,271.96 and 3,924.08

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Solution

The fourth proportional to 6,718.32, 9,271.96 and 3,924.08 is: 5,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.32 : 9,271.96 = 3,924.08 : x
  2. Step 2: Convert to fraction form
    6,718.32/9,271.96 = 3,924.08/x
  3. Step 3: Cross multiply
    6,718.32x = 9,271.96 × 3,924.08
  4. Step 4: Simplify right side
    6,718.32x = 36,383,912.80
  5. Step 5: Solve for x
    x = 36,383,912.80/6,718.32
  6. Step 6: Final answer
    x = 5,415.63

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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.