Home / 4,979.30-7,457.66-4,125.16

Finding the Fourth Proportional to 4,979.30, 7,457.66 and 4,125.16

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Solution

The fourth proportional to 4,979.30, 7,457.66 and 4,125.16 is: 6,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.30 : 7,457.66 = 4,125.16 : x
  2. Step 2: Convert to fraction form
    4,979.30/7,457.66 = 4,125.16/x
  3. Step 3: Cross multiply
    4,979.30x = 7,457.66 × 4,125.16
  4. Step 4: Simplify right side
    4,979.30x = 30,764,040.73
  5. Step 5: Solve for x
    x = 30,764,040.73/4,979.30
  6. Step 6: Final answer
    x = 6,178.39

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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.