Home / 10,979.84-15,150.56-6,200

Finding the Fourth Proportional to 10,979.84, 15,150.56 and 6,200

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Solution

The fourth proportional to 10,979.84, 15,150.56 and 6,200 is: 8,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.84 : 15,150.56 = 6,200 : x
  2. Step 2: Convert to fraction form
    10,979.84/15,150.56 = 6,200/x
  3. Step 3: Cross multiply
    10,979.84x = 15,150.56 × 6,200
  4. Step 4: Simplify right side
    10,979.84x = 93,933,472
  5. Step 5: Solve for x
    x = 93,933,472/10,979.84
  6. Step 6: Final answer
    x = 8,555.09

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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.