Home / 4,164.90-6,216.96-3,639.41

Finding the Fourth Proportional to 4,164.90, 6,216.96 and 3,639.41

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Solution

The fourth proportional to 4,164.90, 6,216.96 and 3,639.41 is: 5,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.90 : 6,216.96 = 3,639.41 : x
  2. Step 2: Convert to fraction form
    4,164.90/6,216.96 = 3,639.41/x
  3. Step 3: Cross multiply
    4,164.90x = 6,216.96 × 3,639.41
  4. Step 4: Simplify right side
    4,164.90x = 22,626,068.29
  5. Step 5: Solve for x
    x = 22,626,068.29/4,164.90
  6. Step 6: Final answer
    x = 5,432.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.