Home / 8,694.24-11,997.72-4,715.21

Finding the Fourth Proportional to 8,694.24, 11,997.72 and 4,715.21

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Solution

The fourth proportional to 8,694.24, 11,997.72 and 4,715.21 is: 6,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.24 : 11,997.72 = 4,715.21 : x
  2. Step 2: Convert to fraction form
    8,694.24/11,997.72 = 4,715.21/x
  3. Step 3: Cross multiply
    8,694.24x = 11,997.72 × 4,715.21
  4. Step 4: Simplify right side
    8,694.24x = 56,571,799.32
  5. Step 5: Solve for x
    x = 56,571,799.32/8,694.24
  6. Step 6: Final answer
    x = 6,506.82

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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.