Home / 8,825.49-12,176.85-5,239.50

Finding the Fourth Proportional to 8,825.49, 12,176.85 and 5,239.50

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Solution

The fourth proportional to 8,825.49, 12,176.85 and 5,239.50 is: 7,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.49 : 12,176.85 = 5,239.50 : x
  2. Step 2: Convert to fraction form
    8,825.49/12,176.85 = 5,239.50/x
  3. Step 3: Cross multiply
    8,825.49x = 12,176.85 × 5,239.50
  4. Step 4: Simplify right side
    8,825.49x = 63,800,605.58
  5. Step 5: Solve for x
    x = 63,800,605.58/8,825.49
  6. Step 6: Final answer
    x = 7,229.13

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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.