Home / 8,553.94-11,808.04-5,197.84

Finding the Fourth Proportional to 8,553.94, 11,808.04 and 5,197.84

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Solution

The fourth proportional to 8,553.94, 11,808.04 and 5,197.84 is: 7,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.94 : 11,808.04 = 5,197.84 : x
  2. Step 2: Convert to fraction form
    8,553.94/11,808.04 = 5,197.84/x
  3. Step 3: Cross multiply
    8,553.94x = 11,808.04 × 5,197.84
  4. Step 4: Simplify right side
    8,553.94x = 61,376,302.63
  5. Step 5: Solve for x
    x = 61,376,302.63/8,553.94
  6. Step 6: Final answer
    x = 7,175.21

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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.