Home / 5,623.20-8,418.16-4,168.88

Finding the Fourth Proportional to 5,623.20, 8,418.16 and 4,168.88

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Solution

The fourth proportional to 5,623.20, 8,418.16 and 4,168.88 is: 6,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.20 : 8,418.16 = 4,168.88 : x
  2. Step 2: Convert to fraction form
    5,623.20/8,418.16 = 4,168.88/x
  3. Step 3: Cross multiply
    5,623.20x = 8,418.16 × 4,168.88
  4. Step 4: Simplify right side
    5,623.20x = 35,094,298.86
  5. Step 5: Solve for x
    x = 35,094,298.86/5,623.20
  6. Step 6: Final answer
    x = 6,240.98

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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.