Home / 4,268.34-6,399.78-2,948.40

Finding the Fourth Proportional to 4,268.34, 6,399.78 and 2,948.40

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Solution

The fourth proportional to 4,268.34, 6,399.78 and 2,948.40 is: 4,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.34 : 6,399.78 = 2,948.40 : x
  2. Step 2: Convert to fraction form
    4,268.34/6,399.78 = 2,948.40/x
  3. Step 3: Cross multiply
    4,268.34x = 6,399.78 × 2,948.40
  4. Step 4: Simplify right side
    4,268.34x = 18,869,111.35
  5. Step 5: Solve for x
    x = 18,869,111.35/4,268.34
  6. Step 6: Final answer
    x = 4,420.71

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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.