Home / 4,742.91-7,110.83-2,275.38

Finding the Fourth Proportional to 4,742.91, 7,110.83 and 2,275.38

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Solution

The fourth proportional to 4,742.91, 7,110.83 and 2,275.38 is: 3,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.91 : 7,110.83 = 2,275.38 : x
  2. Step 2: Convert to fraction form
    4,742.91/7,110.83 = 2,275.38/x
  3. Step 3: Cross multiply
    4,742.91x = 7,110.83 × 2,275.38
  4. Step 4: Simplify right side
    4,742.91x = 16,179,828.99
  5. Step 5: Solve for x
    x = 16,179,828.99/4,742.91
  6. Step 6: Final answer
    x = 3,411.37

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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.