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Finding the Fourth Proportional to 5,260.44, 7,891.02 and 1,800.12

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Solution

The fourth proportional to 5,260.44, 7,891.02 and 1,800.12 is: 2,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.44 : 7,891.02 = 1,800.12 : x
  2. Step 2: Convert to fraction form
    5,260.44/7,891.02 = 1,800.12/x
  3. Step 3: Cross multiply
    5,260.44x = 7,891.02 × 1,800.12
  4. Step 4: Simplify right side
    5,260.44x = 14,204,782.92
  5. Step 5: Solve for x
    x = 14,204,782.92/5,260.44
  6. Step 6: Final answer
    x = 2,700.30

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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.