Home / 7,491.29-11,229.64-4,197.22

Finding the Fourth Proportional to 7,491.29, 11,229.64 and 4,197.22

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Solution

The fourth proportional to 7,491.29, 11,229.64 and 4,197.22 is: 6,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.29 : 11,229.64 = 4,197.22 : x
  2. Step 2: Convert to fraction form
    7,491.29/11,229.64 = 4,197.22/x
  3. Step 3: Cross multiply
    7,491.29x = 11,229.64 × 4,197.22
  4. Step 4: Simplify right side
    7,491.29x = 47,133,231.03
  5. Step 5: Solve for x
    x = 47,133,231.03/7,491.29
  6. Step 6: Final answer
    x = 6,291.74

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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.