Home / 5,388.92-7,437.06-3,031.22

Finding the Fourth Proportional to 5,388.92, 7,437.06 and 3,031.22

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Solution

The fourth proportional to 5,388.92, 7,437.06 and 3,031.22 is: 4,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.92 : 7,437.06 = 3,031.22 : x
  2. Step 2: Convert to fraction form
    5,388.92/7,437.06 = 3,031.22/x
  3. Step 3: Cross multiply
    5,388.92x = 7,437.06 × 3,031.22
  4. Step 4: Simplify right side
    5,388.92x = 22,543,365.01
  5. Step 5: Solve for x
    x = 22,543,365.01/5,388.92
  6. Step 6: Final answer
    x = 4,183.28

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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.