Home / 4,340.40-6,505.61-2,150.57

Finding the Fourth Proportional to 4,340.40, 6,505.61 and 2,150.57

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Solution

The fourth proportional to 4,340.40, 6,505.61 and 2,150.57 is: 3,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.40 : 6,505.61 = 2,150.57 : x
  2. Step 2: Convert to fraction form
    4,340.40/6,505.61 = 2,150.57/x
  3. Step 3: Cross multiply
    4,340.40x = 6,505.61 × 2,150.57
  4. Step 4: Simplify right side
    4,340.40x = 13,990,726.42
  5. Step 5: Solve for x
    x = 13,990,726.42/4,340.40
  6. Step 6: Final answer
    x = 3,223.37

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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.