Home / 7,429.53-11,144.31-2,499.21

Finding the Fourth Proportional to 7,429.53, 11,144.31 and 2,499.21

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Solution

The fourth proportional to 7,429.53, 11,144.31 and 2,499.21 is: 3,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.53 : 11,144.31 = 2,499.21 : x
  2. Step 2: Convert to fraction form
    7,429.53/11,144.31 = 2,499.21/x
  3. Step 3: Cross multiply
    7,429.53x = 11,144.31 × 2,499.21
  4. Step 4: Simplify right side
    7,429.53x = 27,851,971.00
  5. Step 5: Solve for x
    x = 27,851,971.00/7,429.53
  6. Step 6: Final answer
    x = 3,748.82

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1.5x scale

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.