Home / 6,718.28-10,099.20-4,137.56

Finding the Fourth Proportional to 6,718.28, 10,099.20 and 4,137.56

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Solution

The fourth proportional to 6,718.28, 10,099.20 and 4,137.56 is: 6,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.28 : 10,099.20 = 4,137.56 : x
  2. Step 2: Convert to fraction form
    6,718.28/10,099.20 = 4,137.56/x
  3. Step 3: Cross multiply
    6,718.28x = 10,099.20 × 4,137.56
  4. Step 4: Simplify right side
    6,718.28x = 41,786,045.95
  5. Step 5: Solve for x
    x = 41,786,045.95/6,718.28
  6. Step 6: Final answer
    x = 6,219.75

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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.