Home / 7,109.75-10,664.67-2,492.75

Finding the Fourth Proportional to 7,109.75, 10,664.67 and 2,492.75

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Solution

The fourth proportional to 7,109.75, 10,664.67 and 2,492.75 is: 3,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.75 : 10,664.67 = 2,492.75 : x
  2. Step 2: Convert to fraction form
    7,109.75/10,664.67 = 2,492.75/x
  3. Step 3: Cross multiply
    7,109.75x = 10,664.67 × 2,492.75
  4. Step 4: Simplify right side
    7,109.75x = 26,584,356.14
  5. Step 5: Solve for x
    x = 26,584,356.14/7,109.75
  6. Step 6: Final answer
    x = 3,739.14

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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.