Home / 4,850.14-7,275.18-1,387.39

Finding the Fourth Proportional to 4,850.14, 7,275.18 and 1,387.39

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Solution

The fourth proportional to 4,850.14, 7,275.18 and 1,387.39 is: 2,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.14 : 7,275.18 = 1,387.39 : x
  2. Step 2: Convert to fraction form
    4,850.14/7,275.18 = 1,387.39/x
  3. Step 3: Cross multiply
    4,850.14x = 7,275.18 × 1,387.39
  4. Step 4: Simplify right side
    4,850.14x = 10,093,511.98
  5. Step 5: Solve for x
    x = 10,093,511.98/4,850.14
  6. Step 6: Final answer
    x = 2,081.08

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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.