Home / 5,385.42-7,427.30-3,709.54

Finding the Fourth Proportional to 5,385.42, 7,427.30 and 3,709.54

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Solution

The fourth proportional to 5,385.42, 7,427.30 and 3,709.54 is: 5,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.42 : 7,427.30 = 3,709.54 : x
  2. Step 2: Convert to fraction form
    5,385.42/7,427.30 = 3,709.54/x
  3. Step 3: Cross multiply
    5,385.42x = 7,427.30 × 3,709.54
  4. Step 4: Simplify right side
    5,385.42x = 27,551,866.44
  5. Step 5: Solve for x
    x = 27,551,866.44/5,385.42
  6. Step 6: Final answer
    x = 5,116.01

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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.