Home / 5,360.15-8,031.08-3,797.55

Finding the Fourth Proportional to 5,360.15, 8,031.08 and 3,797.55

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Solution

The fourth proportional to 5,360.15, 8,031.08 and 3,797.55 is: 5,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.15 : 8,031.08 = 3,797.55 : x
  2. Step 2: Convert to fraction form
    5,360.15/8,031.08 = 3,797.55/x
  3. Step 3: Cross multiply
    5,360.15x = 8,031.08 × 3,797.55
  4. Step 4: Simplify right side
    5,360.15x = 30,498,408.87
  5. Step 5: Solve for x
    x = 30,498,408.87/5,360.15
  6. Step 6: Final answer
    x = 5,689.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.