Home / 7,431.49-11,136.29-3,267.69

Finding the Fourth Proportional to 7,431.49, 11,136.29 and 3,267.69

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Solution

The fourth proportional to 7,431.49, 11,136.29 and 3,267.69 is: 4,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.49 : 11,136.29 = 3,267.69 : x
  2. Step 2: Convert to fraction form
    7,431.49/11,136.29 = 3,267.69/x
  3. Step 3: Cross multiply
    7,431.49x = 11,136.29 × 3,267.69
  4. Step 4: Simplify right side
    7,431.49x = 36,389,943.47
  5. Step 5: Solve for x
    x = 36,389,943.47/7,431.49
  6. Step 6: Final answer
    x = 4,896.72

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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.