Home / 7,380.96-11,071.44-3,485.76

Finding the Fourth Proportional to 7,380.96, 11,071.44 and 3,485.76

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Solution

The fourth proportional to 7,380.96, 11,071.44 and 3,485.76 is: 5,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.96 : 11,071.44 = 3,485.76 : x
  2. Step 2: Convert to fraction form
    7,380.96/11,071.44 = 3,485.76/x
  3. Step 3: Cross multiply
    7,380.96x = 11,071.44 × 3,485.76
  4. Step 4: Simplify right side
    7,380.96x = 38,592,382.69
  5. Step 5: Solve for x
    x = 38,592,382.69/7,380.96
  6. Step 6: Final answer
    x = 5,228.64

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Similar ratio
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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.