Home / 8,694.24-11,997.96-4,715.28

Finding the Fourth Proportional to 8,694.24, 11,997.96 and 4,715.28

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Solution

The fourth proportional to 8,694.24, 11,997.96 and 4,715.28 is: 6,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.24 : 11,997.96 = 4,715.28 : x
  2. Step 2: Convert to fraction form
    8,694.24/11,997.96 = 4,715.28/x
  3. Step 3: Cross multiply
    8,694.24x = 11,997.96 × 4,715.28
  4. Step 4: Simplify right side
    8,694.24x = 56,573,740.83
  5. Step 5: Solve for x
    x = 56,573,740.83/8,694.24
  6. Step 6: Final answer
    x = 6,507.04

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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.