Home / 7,402.43-11,102.20-2,137.07

Finding the Fourth Proportional to 7,402.43, 11,102.20 and 2,137.07

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Solution

The fourth proportional to 7,402.43, 11,102.20 and 2,137.07 is: 3,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.43 : 11,102.20 = 2,137.07 : x
  2. Step 2: Convert to fraction form
    7,402.43/11,102.20 = 2,137.07/x
  3. Step 3: Cross multiply
    7,402.43x = 11,102.20 × 2,137.07
  4. Step 4: Simplify right side
    7,402.43x = 23,726,178.55
  5. Step 5: Solve for x
    x = 23,726,178.55/7,402.43
  6. Step 6: Final answer
    x = 3,205.19

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1.5x scale

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.