Home / 5,389.43-7,437.33-3,031.56

Finding the Fourth Proportional to 5,389.43, 7,437.33 and 3,031.56

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Solution

The fourth proportional to 5,389.43, 7,437.33 and 3,031.56 is: 4,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.43 : 7,437.33 = 3,031.56 : x
  2. Step 2: Convert to fraction form
    5,389.43/7,437.33 = 3,031.56/x
  3. Step 3: Cross multiply
    5,389.43x = 7,437.33 × 3,031.56
  4. Step 4: Simplify right side
    5,389.43x = 22,546,712.13
  5. Step 5: Solve for x
    x = 22,546,712.13/5,389.43
  6. Step 6: Final answer
    x = 4,183.51

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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.