Home / 7,880.22-11,814.66-3,718.04

Finding the Fourth Proportional to 7,880.22, 11,814.66 and 3,718.04

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Solution

The fourth proportional to 7,880.22, 11,814.66 and 3,718.04 is: 5,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.22 : 11,814.66 = 3,718.04 : x
  2. Step 2: Convert to fraction form
    7,880.22/11,814.66 = 3,718.04/x
  3. Step 3: Cross multiply
    7,880.22x = 11,814.66 × 3,718.04
  4. Step 4: Simplify right side
    7,880.22x = 43,927,319.39
  5. Step 5: Solve for x
    x = 43,927,319.39/7,880.22
  6. Step 6: Final answer
    x = 5,574.38

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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.