Home / 7,988.79-11,984.60-2,723.51

Finding the Fourth Proportional to 7,988.79, 11,984.60 and 2,723.51

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Solution

The fourth proportional to 7,988.79, 11,984.60 and 2,723.51 is: 4,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.79 : 11,984.60 = 2,723.51 : x
  2. Step 2: Convert to fraction form
    7,988.79/11,984.60 = 2,723.51/x
  3. Step 3: Cross multiply
    7,988.79x = 11,984.60 × 2,723.51
  4. Step 4: Simplify right side
    7,988.79x = 32,640,214.72
  5. Step 5: Solve for x
    x = 32,640,214.72/7,988.79
  6. Step 6: Final answer
    x = 4,085.75

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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.