Home / 8,157.20-11,252.81-4,797.88

Finding the Fourth Proportional to 8,157.20, 11,252.81 and 4,797.88

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Solution

The fourth proportional to 8,157.20, 11,252.81 and 4,797.88 is: 6,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.20 : 11,252.81 = 4,797.88 : x
  2. Step 2: Convert to fraction form
    8,157.20/11,252.81 = 4,797.88/x
  3. Step 3: Cross multiply
    8,157.20x = 11,252.81 × 4,797.88
  4. Step 4: Simplify right side
    8,157.20x = 53,989,632.04
  5. Step 5: Solve for x
    x = 53,989,632.04/8,157.20
  6. Step 6: Final answer
    x = 6,618.65

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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.