Home / 5,260.40-7,891.68-1,797.44

Finding the Fourth Proportional to 5,260.40, 7,891.68 and 1,797.44

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Solution

The fourth proportional to 5,260.40, 7,891.68 and 1,797.44 is: 2,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.40 : 7,891.68 = 1,797.44 : x
  2. Step 2: Convert to fraction form
    5,260.40/7,891.68 = 1,797.44/x
  3. Step 3: Cross multiply
    5,260.40x = 7,891.68 × 1,797.44
  4. Step 4: Simplify right side
    5,260.40x = 14,184,821.30
  5. Step 5: Solve for x
    x = 14,184,821.30/5,260.40
  6. Step 6: Final answer
    x = 2,696.53

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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.