Home / 7,943.66-11,917.04-2,397.45

Finding the Fourth Proportional to 7,943.66, 11,917.04 and 2,397.45

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Solution

The fourth proportional to 7,943.66, 11,917.04 and 2,397.45 is: 3,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.66 : 11,917.04 = 2,397.45 : x
  2. Step 2: Convert to fraction form
    7,943.66/11,917.04 = 2,397.45/x
  3. Step 3: Cross multiply
    7,943.66x = 11,917.04 × 2,397.45
  4. Step 4: Simplify right side
    7,943.66x = 28,570,495.56
  5. Step 5: Solve for x
    x = 28,570,495.56/7,943.66
  6. Step 6: Final answer
    x = 3,596.64

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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.