Home / 4,715.92-7,071.45-1,942.08

Finding the Fourth Proportional to 4,715.92, 7,071.45 and 1,942.08

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Solution

The fourth proportional to 4,715.92, 7,071.45 and 1,942.08 is: 2,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.92 : 7,071.45 = 1,942.08 : x
  2. Step 2: Convert to fraction form
    4,715.92/7,071.45 = 1,942.08/x
  3. Step 3: Cross multiply
    4,715.92x = 7,071.45 × 1,942.08
  4. Step 4: Simplify right side
    4,715.92x = 13,733,298.74
  5. Step 5: Solve for x
    x = 13,733,298.74/4,715.92
  6. Step 6: Final answer
    x = 2,912.11

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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.