Home / 5,389.37-7,437.38-3,031.49

Finding the Fourth Proportional to 5,389.37, 7,437.38 and 3,031.49

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Solution

The fourth proportional to 5,389.37, 7,437.38 and 3,031.49 is: 4,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.37 : 7,437.38 = 3,031.49 : x
  2. Step 2: Convert to fraction form
    5,389.37/7,437.38 = 3,031.49/x
  3. Step 3: Cross multiply
    5,389.37x = 7,437.38 × 3,031.49
  4. Step 4: Simplify right side
    5,389.37x = 22,546,343.10
  5. Step 5: Solve for x
    x = 22,546,343.10/5,389.37
  6. Step 6: Final answer
    x = 4,183.48

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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.