Home / 4,411.08-6,618.30-1,489.80

Finding the Fourth Proportional to 4,411.08, 6,618.30 and 1,489.80

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Solution

The fourth proportional to 4,411.08, 6,618.30 and 1,489.80 is: 2,235.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411.08 : 6,618.30 = 1,489.80 : x
  2. Step 2: Convert to fraction form
    4,411.08/6,618.30 = 1,489.80/x
  3. Step 3: Cross multiply
    4,411.08x = 6,618.30 × 1,489.80
  4. Step 4: Simplify right side
    4,411.08x = 9,859,943.34
  5. Step 5: Solve for x
    x = 9,859,943.34/4,411.08
  6. Step 6: Final answer
    x = 2,235.27

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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.