Home / 5,250.20-7,243.32-3,011.28

Finding the Fourth Proportional to 5,250.20, 7,243.32 and 3,011.28

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Solution

The fourth proportional to 5,250.20, 7,243.32 and 3,011.28 is: 4,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.20 : 7,243.32 = 3,011.28 : x
  2. Step 2: Convert to fraction form
    5,250.20/7,243.32 = 3,011.28/x
  3. Step 3: Cross multiply
    5,250.20x = 7,243.32 × 3,011.28
  4. Step 4: Simplify right side
    5,250.20x = 21,811,664.65
  5. Step 5: Solve for x
    x = 21,811,664.65/5,250.20
  6. Step 6: Final answer
    x = 4,154.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.