Home / 4,891.44-7,338.45-2,117.47

Finding the Fourth Proportional to 4,891.44, 7,338.45 and 2,117.47

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Solution

The fourth proportional to 4,891.44, 7,338.45 and 2,117.47 is: 3,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.44 : 7,338.45 = 2,117.47 : x
  2. Step 2: Convert to fraction form
    4,891.44/7,338.45 = 2,117.47/x
  3. Step 3: Cross multiply
    4,891.44x = 7,338.45 × 2,117.47
  4. Step 4: Simplify right side
    4,891.44x = 15,538,918.53
  5. Step 5: Solve for x
    x = 15,538,918.53/4,891.44
  6. Step 6: Final answer
    x = 3,176.76

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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.