Home / 6,868.40-10,299.36-3,580.88

Finding the Fourth Proportional to 6,868.40, 10,299.36 and 3,580.88

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Solution

The fourth proportional to 6,868.40, 10,299.36 and 3,580.88 is: 5,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.40 : 10,299.36 = 3,580.88 : x
  2. Step 2: Convert to fraction form
    6,868.40/10,299.36 = 3,580.88/x
  3. Step 3: Cross multiply
    6,868.40x = 10,299.36 × 3,580.88
  4. Step 4: Simplify right side
    6,868.40x = 36,880,772.24
  5. Step 5: Solve for x
    x = 36,880,772.24/6,868.40
  6. Step 6: Final answer
    x = 5,369.63

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1.5x scale

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.