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Finding the Fourth Proportional to 7,228.80, 10,841.04 and 3,764.16

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Solution

The fourth proportional to 7,228.80, 10,841.04 and 3,764.16 is: 5,645.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.80 : 10,841.04 = 3,764.16 : x
  2. Step 2: Convert to fraction form
    7,228.80/10,841.04 = 3,764.16/x
  3. Step 3: Cross multiply
    7,228.80x = 10,841.04 × 3,764.16
  4. Step 4: Simplify right side
    7,228.80x = 40,807,409.13
  5. Step 5: Solve for x
    x = 40,807,409.13/7,228.80
  6. Step 6: Final answer
    x = 5,645.12

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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.