Home / 4,916.88-6,767.28-3,918.96

Finding the Fourth Proportional to 4,916.88, 6,767.28 and 3,918.96

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Solution

The fourth proportional to 4,916.88, 6,767.28 and 3,918.96 is: 5,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.88 : 6,767.28 = 3,918.96 : x
  2. Step 2: Convert to fraction form
    4,916.88/6,767.28 = 3,918.96/x
  3. Step 3: Cross multiply
    4,916.88x = 6,767.28 × 3,918.96
  4. Step 4: Simplify right side
    4,916.88x = 26,520,699.63
  5. Step 5: Solve for x
    x = 26,520,699.63/4,916.88
  6. Step 6: Final answer
    x = 5,393.81

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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.