Home / 4,220.11-6,330.23-1,099.92

Finding the Fourth Proportional to 4,220.11, 6,330.23 and 1,099.92

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Solution

The fourth proportional to 4,220.11, 6,330.23 and 1,099.92 is: 1,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.11 : 6,330.23 = 1,099.92 : x
  2. Step 2: Convert to fraction form
    4,220.11/6,330.23 = 1,099.92/x
  3. Step 3: Cross multiply
    4,220.11x = 6,330.23 × 1,099.92
  4. Step 4: Simplify right side
    4,220.11x = 6,962,775.13
  5. Step 5: Solve for x
    x = 6,962,775.13/4,220.11
  6. Step 6: Final answer
    x = 1,649.91

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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.