Home / 5,438.07-8,152.14-1,974.51

Finding the Fourth Proportional to 5,438.07, 8,152.14 and 1,974.51

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Solution

The fourth proportional to 5,438.07, 8,152.14 and 1,974.51 is: 2,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.07 : 8,152.14 = 1,974.51 : x
  2. Step 2: Convert to fraction form
    5,438.07/8,152.14 = 1,974.51/x
  3. Step 3: Cross multiply
    5,438.07x = 8,152.14 × 1,974.51
  4. Step 4: Simplify right side
    5,438.07x = 16,096,481.95
  5. Step 5: Solve for x
    x = 16,096,481.95/5,438.07
  6. Step 6: Final answer
    x = 2,959.96

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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.