Home / 7,617.90-11,421.48-2,933.98

Finding the Fourth Proportional to 7,617.90, 11,421.48 and 2,933.98

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Solution

The fourth proportional to 7,617.90, 11,421.48 and 2,933.98 is: 4,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.90 : 11,421.48 = 2,933.98 : x
  2. Step 2: Convert to fraction form
    7,617.90/11,421.48 = 2,933.98/x
  3. Step 3: Cross multiply
    7,617.90x = 11,421.48 × 2,933.98
  4. Step 4: Simplify right side
    7,617.90x = 33,510,422.44
  5. Step 5: Solve for x
    x = 33,510,422.44/7,617.90
  6. Step 6: Final answer
    x = 4,398.91

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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.