Home / 7,314.96-10,972.38-1,768.26

Finding the Fourth Proportional to 7,314.96, 10,972.38 and 1,768.26

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Solution

The fourth proportional to 7,314.96, 10,972.38 and 1,768.26 is: 2,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.96 : 10,972.38 = 1,768.26 : x
  2. Step 2: Convert to fraction form
    7,314.96/10,972.38 = 1,768.26/x
  3. Step 3: Cross multiply
    7,314.96x = 10,972.38 × 1,768.26
  4. Step 4: Simplify right side
    7,314.96x = 19,402,020.66
  5. Step 5: Solve for x
    x = 19,402,020.66/7,314.96
  6. Step 6: Final answer
    x = 2,652.38

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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.