Home / 6,859.40-10,283.09-3,299.74

Finding the Fourth Proportional to 6,859.40, 10,283.09 and 3,299.74

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Solution

The fourth proportional to 6,859.40, 10,283.09 and 3,299.74 is: 4,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.40 : 10,283.09 = 3,299.74 : x
  2. Step 2: Convert to fraction form
    6,859.40/10,283.09 = 3,299.74/x
  3. Step 3: Cross multiply
    6,859.40x = 10,283.09 × 3,299.74
  4. Step 4: Simplify right side
    6,859.40x = 33,931,523.40
  5. Step 5: Solve for x
    x = 33,931,523.40/6,859.40
  6. Step 6: Final answer
    x = 4,946.72

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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.