Home / 4,268.10-6,402.15-1,805.70

Finding the Fourth Proportional to 4,268.10, 6,402.15 and 1,805.70

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Solution

The fourth proportional to 4,268.10, 6,402.15 and 1,805.70 is: 2,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.10 : 6,402.15 = 1,805.70 : x
  2. Step 2: Convert to fraction form
    4,268.10/6,402.15 = 1,805.70/x
  3. Step 3: Cross multiply
    4,268.10x = 6,402.15 × 1,805.70
  4. Step 4: Simplify right side
    4,268.10x = 11,560,362.26
  5. Step 5: Solve for x
    x = 11,560,362.26/4,268.10
  6. Step 6: Final answer
    x = 2,708.55

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1.5x scale

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.