Home / 7,521.99-11,283.24-3,571.21

Finding the Fourth Proportional to 7,521.99, 11,283.24 and 3,571.21

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Solution

The fourth proportional to 7,521.99, 11,283.24 and 3,571.21 is: 5,356.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.99 : 11,283.24 = 3,571.21 : x
  2. Step 2: Convert to fraction form
    7,521.99/11,283.24 = 3,571.21/x
  3. Step 3: Cross multiply
    7,521.99x = 11,283.24 × 3,571.21
  4. Step 4: Simplify right side
    7,521.99x = 40,294,833.62
  5. Step 5: Solve for x
    x = 40,294,833.62/7,521.99
  6. Step 6: Final answer
    x = 5,356.94

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Double scale
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Similar ratio
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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.