Home / 4,576.12-6,863.10-1,981

Finding the Fourth Proportional to 4,576.12, 6,863.10 and 1,981

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Solution

The fourth proportional to 4,576.12, 6,863.10 and 1,981 is: 2,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.12 : 6,863.10 = 1,981 : x
  2. Step 2: Convert to fraction form
    4,576.12/6,863.10 = 1,981/x
  3. Step 3: Cross multiply
    4,576.12x = 6,863.10 × 1,981
  4. Step 4: Simplify right side
    4,576.12x = 13,595,801.10
  5. Step 5: Solve for x
    x = 13,595,801.10/4,576.12
  6. Step 6: Final answer
    x = 2,971.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.