Home / 4,420.95-6,631.49-3,539.36

Finding the Fourth Proportional to 4,420.95, 6,631.49 and 3,539.36

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Solution

The fourth proportional to 4,420.95, 6,631.49 and 3,539.36 is: 5,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.95 : 6,631.49 = 3,539.36 : x
  2. Step 2: Convert to fraction form
    4,420.95/6,631.49 = 3,539.36/x
  3. Step 3: Cross multiply
    4,420.95x = 6,631.49 × 3,539.36
  4. Step 4: Simplify right side
    4,420.95x = 23,471,255.87
  5. Step 5: Solve for x
    x = 23,471,255.87/4,420.95
  6. Step 6: Final answer
    x = 5,309.10

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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.