Home / 4,109.34-5,664.22-3,211.50

Finding the Fourth Proportional to 4,109.34, 5,664.22 and 3,211.50

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Solution

The fourth proportional to 4,109.34, 5,664.22 and 3,211.50 is: 4,426.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.34 : 5,664.22 = 3,211.50 : x
  2. Step 2: Convert to fraction form
    4,109.34/5,664.22 = 3,211.50/x
  3. Step 3: Cross multiply
    4,109.34x = 5,664.22 × 3,211.50
  4. Step 4: Simplify right side
    4,109.34x = 18,190,642.53
  5. Step 5: Solve for x
    x = 18,190,642.53/4,109.34
  6. Step 6: Final answer
    x = 4,426.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.