Home / 8,821.39-12,174.21-5,044.72

Finding the Fourth Proportional to 8,821.39, 12,174.21 and 5,044.72

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Solution

The fourth proportional to 8,821.39, 12,174.21 and 5,044.72 is: 6,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.39 : 12,174.21 = 5,044.72 : x
  2. Step 2: Convert to fraction form
    8,821.39/12,174.21 = 5,044.72/x
  3. Step 3: Cross multiply
    8,821.39x = 12,174.21 × 5,044.72
  4. Step 4: Simplify right side
    8,821.39x = 61,415,480.67
  5. Step 5: Solve for x
    x = 61,415,480.67/8,821.39
  6. Step 6: Final answer
    x = 6,962.11

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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.