Home / 4,985.01-6,881.81-3,863.43

Finding the Fourth Proportional to 4,985.01, 6,881.81 and 3,863.43

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Solution

The fourth proportional to 4,985.01, 6,881.81 and 3,863.43 is: 5,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.01 : 6,881.81 = 3,863.43 : x
  2. Step 2: Convert to fraction form
    4,985.01/6,881.81 = 3,863.43/x
  3. Step 3: Cross multiply
    4,985.01x = 6,881.81 × 3,863.43
  4. Step 4: Simplify right side
    4,985.01x = 26,587,371.89
  5. Step 5: Solve for x
    x = 26,587,371.89/4,985.01
  6. Step 6: Final answer
    x = 5,333.46

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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.