Home / 9,721.45-14,581.99-3,479.77

Finding the Fourth Proportional to 9,721.45, 14,581.99 and 3,479.77

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Solution

The fourth proportional to 9,721.45, 14,581.99 and 3,479.77 is: 5,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.45 : 14,581.99 = 3,479.77 : x
  2. Step 2: Convert to fraction form
    9,721.45/14,581.99 = 3,479.77/x
  3. Step 3: Cross multiply
    9,721.45x = 14,581.99 × 3,479.77
  4. Step 4: Simplify right side
    9,721.45x = 50,741,971.34
  5. Step 5: Solve for x
    x = 50,741,971.34/9,721.45
  6. Step 6: Final answer
    x = 5,219.59

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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.