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Finding the Fourth Proportional to 8,822.58, 12,174.77 and 4,843.76

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Solution

The fourth proportional to 8,822.58, 12,174.77 and 4,843.76 is: 6,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.58 : 12,174.77 = 4,843.76 : x
  2. Step 2: Convert to fraction form
    8,822.58/12,174.77 = 4,843.76/x
  3. Step 3: Cross multiply
    8,822.58x = 12,174.77 × 4,843.76
  4. Step 4: Simplify right side
    8,822.58x = 58,971,615.17
  5. Step 5: Solve for x
    x = 58,971,615.17/8,822.58
  6. Step 6: Final answer
    x = 6,684.17

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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.