Home / 4,891.76-7,338.96-2,117.24

Finding the Fourth Proportional to 4,891.76, 7,338.96 and 2,117.24

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Solution

The fourth proportional to 4,891.76, 7,338.96 and 2,117.24 is: 3,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.76 : 7,338.96 = 2,117.24 : x
  2. Step 2: Convert to fraction form
    4,891.76/7,338.96 = 2,117.24/x
  3. Step 3: Cross multiply
    4,891.76x = 7,338.96 × 2,117.24
  4. Step 4: Simplify right side
    4,891.76x = 15,538,339.67
  5. Step 5: Solve for x
    x = 15,538,339.67/4,891.76
  6. Step 6: Final answer
    x = 3,176.43

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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.