Home / 7,409.28-11,104.32-3,021.68

Finding the Fourth Proportional to 7,409.28, 11,104.32 and 3,021.68

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Solution

The fourth proportional to 7,409.28, 11,104.32 and 3,021.68 is: 4,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.28 : 11,104.32 = 3,021.68 : x
  2. Step 2: Convert to fraction form
    7,409.28/11,104.32 = 3,021.68/x
  3. Step 3: Cross multiply
    7,409.28x = 11,104.32 × 3,021.68
  4. Step 4: Simplify right side
    7,409.28x = 33,553,701.66
  5. Step 5: Solve for x
    x = 33,553,701.66/7,409.28
  6. Step 6: Final answer
    x = 4,528.60

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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.