Home / 5,148.28-7,099.41-4,579.31

Finding the Fourth Proportional to 5,148.28, 7,099.41 and 4,579.31

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Solution

The fourth proportional to 5,148.28, 7,099.41 and 4,579.31 is: 6,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.28 : 7,099.41 = 4,579.31 : x
  2. Step 2: Convert to fraction form
    5,148.28/7,099.41 = 4,579.31/x
  3. Step 3: Cross multiply
    5,148.28x = 7,099.41 × 4,579.31
  4. Step 4: Simplify right side
    5,148.28x = 32,510,399.21
  5. Step 5: Solve for x
    x = 32,510,399.21/5,148.28
  6. Step 6: Final answer
    x = 6,314.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.