Home / 8,821.29-12,173.91-5,045.61

Finding the Fourth Proportional to 8,821.29, 12,173.91 and 5,045.61

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Solution

The fourth proportional to 8,821.29, 12,173.91 and 5,045.61 is: 6,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.29 : 12,173.91 = 5,045.61 : x
  2. Step 2: Convert to fraction form
    8,821.29/12,173.91 = 5,045.61/x
  3. Step 3: Cross multiply
    8,821.29x = 12,173.91 × 5,045.61
  4. Step 4: Simplify right side
    8,821.29x = 61,424,802.04
  5. Step 5: Solve for x
    x = 61,424,802.04/8,821.29
  6. Step 6: Final answer
    x = 6,963.24

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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.