Home / 5,260.58-7,891.62-1,749.43

Finding the Fourth Proportional to 5,260.58, 7,891.62 and 1,749.43

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Solution

The fourth proportional to 5,260.58, 7,891.62 and 1,749.43 is: 2,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.58 : 7,891.62 = 1,749.43 : x
  2. Step 2: Convert to fraction form
    5,260.58/7,891.62 = 1,749.43/x
  3. Step 3: Cross multiply
    5,260.58x = 7,891.62 × 1,749.43
  4. Step 4: Simplify right side
    5,260.58x = 13,805,836.78
  5. Step 5: Solve for x
    x = 13,805,836.78/5,260.58
  6. Step 6: Final answer
    x = 2,624.39

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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.