Home / 5,419.37-7,466.85-3,647.90

Finding the Fourth Proportional to 5,419.37, 7,466.85 and 3,647.90

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Solution

The fourth proportional to 5,419.37, 7,466.85 and 3,647.90 is: 5,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.37 : 7,466.85 = 3,647.90 : x
  2. Step 2: Convert to fraction form
    5,419.37/7,466.85 = 3,647.90/x
  3. Step 3: Cross multiply
    5,419.37x = 7,466.85 × 3,647.90
  4. Step 4: Simplify right side
    5,419.37x = 27,238,340.78
  5. Step 5: Solve for x
    x = 27,238,340.78/5,419.37
  6. Step 6: Final answer
    x = 5,026.11

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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.