Home / 5,389.08-7,436.99-3,031.20

Finding the Fourth Proportional to 5,389.08, 7,436.99 and 3,031.20

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Solution

The fourth proportional to 5,389.08, 7,436.99 and 3,031.20 is: 4,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.08 : 7,436.99 = 3,031.20 : x
  2. Step 2: Convert to fraction form
    5,389.08/7,436.99 = 3,031.20/x
  3. Step 3: Cross multiply
    5,389.08x = 7,436.99 × 3,031.20
  4. Step 4: Simplify right side
    5,389.08x = 22,542,951.75
  5. Step 5: Solve for x
    x = 22,542,951.75/5,389.08
  6. Step 6: Final answer
    x = 4,183.08

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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.