Home / 6,219.68-9,321.20-4,568.48

Finding the Fourth Proportional to 6,219.68, 9,321.20 and 4,568.48

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Solution

The fourth proportional to 6,219.68, 9,321.20 and 4,568.48 is: 6,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.68 : 9,321.20 = 4,568.48 : x
  2. Step 2: Convert to fraction form
    6,219.68/9,321.20 = 4,568.48/x
  3. Step 3: Cross multiply
    6,219.68x = 9,321.20 × 4,568.48
  4. Step 4: Simplify right side
    6,219.68x = 42,583,715.78
  5. Step 5: Solve for x
    x = 42,583,715.78/6,219.68
  6. Step 6: Final answer
    x = 6,846.61

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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.