Home / 7,220.81-10,832.30-3,060.83

Finding the Fourth Proportional to 7,220.81, 10,832.30 and 3,060.83

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Solution

The fourth proportional to 7,220.81, 10,832.30 and 3,060.83 is: 4,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.81 : 10,832.30 = 3,060.83 : x
  2. Step 2: Convert to fraction form
    7,220.81/10,832.30 = 3,060.83/x
  3. Step 3: Cross multiply
    7,220.81x = 10,832.30 × 3,060.83
  4. Step 4: Simplify right side
    7,220.81x = 33,155,759.34
  5. Step 5: Solve for x
    x = 33,155,759.34/7,220.81
  6. Step 6: Final answer
    x = 4,591.70

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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.