Home / 7,814.76-11,718.59-3,370.33

Finding the Fourth Proportional to 7,814.76, 11,718.59 and 3,370.33

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Solution

The fourth proportional to 7,814.76, 11,718.59 and 3,370.33 is: 5,053.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.76 : 11,718.59 = 3,370.33 : x
  2. Step 2: Convert to fraction form
    7,814.76/11,718.59 = 3,370.33/x
  3. Step 3: Cross multiply
    7,814.76x = 11,718.59 × 3,370.33
  4. Step 4: Simplify right side
    7,814.76x = 39,495,480.49
  5. Step 5: Solve for x
    x = 39,495,480.49/7,814.76
  6. Step 6: Final answer
    x = 5,053.96

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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.