Home / 4,268.85-6,402.81-1,345.56

Finding the Fourth Proportional to 4,268.85, 6,402.81 and 1,345.56

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Solution

The fourth proportional to 4,268.85, 6,402.81 and 1,345.56 is: 2,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.85 : 6,402.81 = 1,345.56 : x
  2. Step 2: Convert to fraction form
    4,268.85/6,402.81 = 1,345.56/x
  3. Step 3: Cross multiply
    4,268.85x = 6,402.81 × 1,345.56
  4. Step 4: Simplify right side
    4,268.85x = 8,615,365.02
  5. Step 5: Solve for x
    x = 8,615,365.02/4,268.85
  6. Step 6: Final answer
    x = 2,018.19

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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.