Home / 9,315.61-13,974.32-3,470.85

Finding the Fourth Proportional to 9,315.61, 13,974.32 and 3,470.85

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Solution

The fourth proportional to 9,315.61, 13,974.32 and 3,470.85 is: 5,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.61 : 13,974.32 = 3,470.85 : x
  2. Step 2: Convert to fraction form
    9,315.61/13,974.32 = 3,470.85/x
  3. Step 3: Cross multiply
    9,315.61x = 13,974.32 × 3,470.85
  4. Step 4: Simplify right side
    9,315.61x = 48,502,777.25
  5. Step 5: Solve for x
    x = 48,502,777.25/9,315.61
  6. Step 6: Final answer
    x = 5,206.61

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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.