Home / 4,268.10-6,399.40-2,948.14

Finding the Fourth Proportional to 4,268.10, 6,399.40 and 2,948.14

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Solution

The fourth proportional to 4,268.10, 6,399.40 and 2,948.14 is: 4,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.10 : 6,399.40 = 2,948.14 : x
  2. Step 2: Convert to fraction form
    4,268.10/6,399.40 = 2,948.14/x
  3. Step 3: Cross multiply
    4,268.10x = 6,399.40 × 2,948.14
  4. Step 4: Simplify right side
    4,268.10x = 18,866,327.12
  5. Step 5: Solve for x
    x = 18,866,327.12/4,268.10
  6. Step 6: Final answer
    x = 4,420.31

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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.