Home / 8,979.50-13,471.42-2,823.50

Finding the Fourth Proportional to 8,979.50, 13,471.42 and 2,823.50

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Solution

The fourth proportional to 8,979.50, 13,471.42 and 2,823.50 is: 4,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.50 : 13,471.42 = 2,823.50 : x
  2. Step 2: Convert to fraction form
    8,979.50/13,471.42 = 2,823.50/x
  3. Step 3: Cross multiply
    8,979.50x = 13,471.42 × 2,823.50
  4. Step 4: Simplify right side
    8,979.50x = 38,036,554.37
  5. Step 5: Solve for x
    x = 38,036,554.37/8,979.50
  6. Step 6: Final answer
    x = 4,235.93

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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.