Home / 5,479.38-7,560.81-3,241.38

Finding the Fourth Proportional to 5,479.38, 7,560.81 and 3,241.38

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Solution

The fourth proportional to 5,479.38, 7,560.81 and 3,241.38 is: 4,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.38 : 7,560.81 = 3,241.38 : x
  2. Step 2: Convert to fraction form
    5,479.38/7,560.81 = 3,241.38/x
  3. Step 3: Cross multiply
    5,479.38x = 7,560.81 × 3,241.38
  4. Step 4: Simplify right side
    5,479.38x = 24,507,458.32
  5. Step 5: Solve for x
    x = 24,507,458.32/5,479.38
  6. Step 6: Final answer
    x = 4,472.67

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.