Home / 8,264.90-11,401.74-4,905.81

Finding the Fourth Proportional to 8,264.90, 11,401.74 and 4,905.81

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Solution

The fourth proportional to 8,264.90, 11,401.74 and 4,905.81 is: 6,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.90 : 11,401.74 = 4,905.81 : x
  2. Step 2: Convert to fraction form
    8,264.90/11,401.74 = 4,905.81/x
  3. Step 3: Cross multiply
    8,264.90x = 11,401.74 × 4,905.81
  4. Step 4: Simplify right side
    8,264.90x = 55,934,770.11
  5. Step 5: Solve for x
    x = 55,934,770.11/8,264.90
  6. Step 6: Final answer
    x = 6,767.75

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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.