Home / 4,869.50-6,719.91-2,631.37

Finding the Fourth Proportional to 4,869.50, 6,719.91 and 2,631.37

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Solution

The fourth proportional to 4,869.50, 6,719.91 and 2,631.37 is: 3,631.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.50 : 6,719.91 = 2,631.37 : x
  2. Step 2: Convert to fraction form
    4,869.50/6,719.91 = 2,631.37/x
  3. Step 3: Cross multiply
    4,869.50x = 6,719.91 × 2,631.37
  4. Step 4: Simplify right side
    4,869.50x = 17,682,570.31
  5. Step 5: Solve for x
    x = 17,682,570.31/4,869.50
  6. Step 6: Final answer
    x = 3,631.29

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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.