Home / 7,492.13-11,240.43-3,331.57

Finding the Fourth Proportional to 7,492.13, 11,240.43 and 3,331.57

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Solution

The fourth proportional to 7,492.13, 11,240.43 and 3,331.57 is: 4,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.13 : 11,240.43 = 3,331.57 : x
  2. Step 2: Convert to fraction form
    7,492.13/11,240.43 = 3,331.57/x
  3. Step 3: Cross multiply
    7,492.13x = 11,240.43 × 3,331.57
  4. Step 4: Simplify right side
    7,492.13x = 37,448,206.52
  5. Step 5: Solve for x
    x = 37,448,206.52/7,492.13
  6. Step 6: Final answer
    x = 4,998.34

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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.