Home / 7,199.21-9,935.06-4,217.19

Finding the Fourth Proportional to 7,199.21, 9,935.06 and 4,217.19

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Solution

The fourth proportional to 7,199.21, 9,935.06 and 4,217.19 is: 5,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.21 : 9,935.06 = 4,217.19 : x
  2. Step 2: Convert to fraction form
    7,199.21/9,935.06 = 4,217.19/x
  3. Step 3: Cross multiply
    7,199.21x = 9,935.06 × 4,217.19
  4. Step 4: Simplify right side
    7,199.21x = 41,898,014.60
  5. Step 5: Solve for x
    x = 41,898,014.60/7,199.21
  6. Step 6: Final answer
    x = 5,819.81

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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.