Home / 4,435.06-6,644.28-3,978.62

Finding the Fourth Proportional to 4,435.06, 6,644.28 and 3,978.62

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Solution

The fourth proportional to 4,435.06, 6,644.28 and 3,978.62 is: 5,960.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.06 : 6,644.28 = 3,978.62 : x
  2. Step 2: Convert to fraction form
    4,435.06/6,644.28 = 3,978.62/x
  3. Step 3: Cross multiply
    4,435.06x = 6,644.28 × 3,978.62
  4. Step 4: Simplify right side
    4,435.06x = 26,435,065.29
  5. Step 5: Solve for x
    x = 26,435,065.29/4,435.06
  6. Step 6: Final answer
    x = 5,960.48

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1.5x scale

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.