Home / 4,781.92-6,599.28-2,686

Finding the Fourth Proportional to 4,781.92, 6,599.28 and 2,686

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Solution

The fourth proportional to 4,781.92, 6,599.28 and 2,686 is: 3,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.92 : 6,599.28 = 2,686 : x
  2. Step 2: Convert to fraction form
    4,781.92/6,599.28 = 2,686/x
  3. Step 3: Cross multiply
    4,781.92x = 6,599.28 × 2,686
  4. Step 4: Simplify right side
    4,781.92x = 17,725,666.08
  5. Step 5: Solve for x
    x = 17,725,666.08/4,781.92
  6. Step 6: Final answer
    x = 3,706.81

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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.