Home / 5,511.70-8,260.35-2,222.10

Finding the Fourth Proportional to 5,511.70, 8,260.35 and 2,222.10

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Solution

The fourth proportional to 5,511.70, 8,260.35 and 2,222.10 is: 3,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.70 : 8,260.35 = 2,222.10 : x
  2. Step 2: Convert to fraction form
    5,511.70/8,260.35 = 2,222.10/x
  3. Step 3: Cross multiply
    5,511.70x = 8,260.35 × 2,222.10
  4. Step 4: Simplify right side
    5,511.70x = 18,355,323.74
  5. Step 5: Solve for x
    x = 18,355,323.74/5,511.70
  6. Step 6: Final answer
    x = 3,330.25

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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.