Home / 10,828.30-16,240.02-4,979.29

Finding the Fourth Proportional to 10,828.30, 16,240.02 and 4,979.29

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Solution

The fourth proportional to 10,828.30, 16,240.02 and 4,979.29 is: 7,467.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.30 : 16,240.02 = 4,979.29 : x
  2. Step 2: Convert to fraction form
    10,828.30/16,240.02 = 4,979.29/x
  3. Step 3: Cross multiply
    10,828.30x = 16,240.02 × 4,979.29
  4. Step 4: Simplify right side
    10,828.30x = 80,863,769.19
  5. Step 5: Solve for x
    x = 80,863,769.19/10,828.30
  6. Step 6: Final answer
    x = 7,467.82

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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.