Home / 7,617.34-11,420.64-2,933.41

Finding the Fourth Proportional to 7,617.34, 11,420.64 and 2,933.41

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Solution

The fourth proportional to 7,617.34, 11,420.64 and 2,933.41 is: 4,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.34 : 11,420.64 = 2,933.41 : x
  2. Step 2: Convert to fraction form
    7,617.34/11,420.64 = 2,933.41/x
  3. Step 3: Cross multiply
    7,617.34x = 11,420.64 × 2,933.41
  4. Step 4: Simplify right side
    7,617.34x = 33,501,404.92
  5. Step 5: Solve for x
    x = 33,501,404.92/7,617.34
  6. Step 6: Final answer
    x = 4,398.05

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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.