Home / 5,375.08-7,421.22-4,113.87

Finding the Fourth Proportional to 5,375.08, 7,421.22 and 4,113.87

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Solution

The fourth proportional to 5,375.08, 7,421.22 and 4,113.87 is: 5,679.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.08 : 7,421.22 = 4,113.87 : x
  2. Step 2: Convert to fraction form
    5,375.08/7,421.22 = 4,113.87/x
  3. Step 3: Cross multiply
    5,375.08x = 7,421.22 × 4,113.87
  4. Step 4: Simplify right side
    5,375.08x = 30,529,948.24
  5. Step 5: Solve for x
    x = 30,529,948.24/5,375.08
  6. Step 6: Final answer
    x = 5,679.91

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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.