Home / 8,466.57-11,685.33-4,929.75

Finding the Fourth Proportional to 8,466.57, 11,685.33 and 4,929.75

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Solution

The fourth proportional to 8,466.57, 11,685.33 and 4,929.75 is: 6,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.57 : 11,685.33 = 4,929.75 : x
  2. Step 2: Convert to fraction form
    8,466.57/11,685.33 = 4,929.75/x
  3. Step 3: Cross multiply
    8,466.57x = 11,685.33 × 4,929.75
  4. Step 4: Simplify right side
    8,466.57x = 57,605,755.57
  5. Step 5: Solve for x
    x = 57,605,755.57/8,466.57
  6. Step 6: Final answer
    x = 6,803.91

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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.