Home / 5,173.40-7,761.32-1,475.69

Finding the Fourth Proportional to 5,173.40, 7,761.32 and 1,475.69

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Solution

The fourth proportional to 5,173.40, 7,761.32 and 1,475.69 is: 2,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.40 : 7,761.32 = 1,475.69 : x
  2. Step 2: Convert to fraction form
    5,173.40/7,761.32 = 1,475.69/x
  3. Step 3: Cross multiply
    5,173.40x = 7,761.32 × 1,475.69
  4. Step 4: Simplify right side
    5,173.40x = 11,453,261.66
  5. Step 5: Solve for x
    x = 11,453,261.66/5,173.40
  6. Step 6: Final answer
    x = 2,213.87

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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.