Home / 5,429.43-8,141.18-2,505.13

Finding the Fourth Proportional to 5,429.43, 8,141.18 and 2,505.13

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Solution

The fourth proportional to 5,429.43, 8,141.18 and 2,505.13 is: 3,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.43 : 8,141.18 = 2,505.13 : x
  2. Step 2: Convert to fraction form
    5,429.43/8,141.18 = 2,505.13/x
  3. Step 3: Cross multiply
    5,429.43x = 8,141.18 × 2,505.13
  4. Step 4: Simplify right side
    5,429.43x = 20,394,681.37
  5. Step 5: Solve for x
    x = 20,394,681.37/5,429.43
  6. Step 6: Final answer
    x = 3,756.32

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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.