Home / 4,262.88-6,391.62-1,799.40

Finding the Fourth Proportional to 4,262.88, 6,391.62 and 1,799.40

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Solution

The fourth proportional to 4,262.88, 6,391.62 and 1,799.40 is: 2,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.88 : 6,391.62 = 1,799.40 : x
  2. Step 2: Convert to fraction form
    4,262.88/6,391.62 = 1,799.40/x
  3. Step 3: Cross multiply
    4,262.88x = 6,391.62 × 1,799.40
  4. Step 4: Simplify right side
    4,262.88x = 11,501,081.03
  5. Step 5: Solve for x
    x = 11,501,081.03/4,262.88
  6. Step 6: Final answer
    x = 2,697.96

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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.