Home / 4,268.80-6,402.66-1,347.40

Finding the Fourth Proportional to 4,268.80, 6,402.66 and 1,347.40

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Solution

The fourth proportional to 4,268.80, 6,402.66 and 1,347.40 is: 2,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.80 : 6,402.66 = 1,347.40 : x
  2. Step 2: Convert to fraction form
    4,268.80/6,402.66 = 1,347.40/x
  3. Step 3: Cross multiply
    4,268.80x = 6,402.66 × 1,347.40
  4. Step 4: Simplify right side
    4,268.80x = 8,626,944.08
  5. Step 5: Solve for x
    x = 8,626,944.08/4,268.80
  6. Step 6: Final answer
    x = 2,020.93

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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.