Home / 4,315.23-6,470.82-1,974.57

Finding the Fourth Proportional to 4,315.23, 6,470.82 and 1,974.57

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Solution

The fourth proportional to 4,315.23, 6,470.82 and 1,974.57 is: 2,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.23 : 6,470.82 = 1,974.57 : x
  2. Step 2: Convert to fraction form
    4,315.23/6,470.82 = 1,974.57/x
  3. Step 3: Cross multiply
    4,315.23x = 6,470.82 × 1,974.57
  4. Step 4: Simplify right side
    4,315.23x = 12,777,087.05
  5. Step 5: Solve for x
    x = 12,777,087.05/4,315.23
  6. Step 6: Final answer
    x = 2,960.93

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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.