Home / 5,381.24-8,055.45-4,276.80

Finding the Fourth Proportional to 5,381.24, 8,055.45 and 4,276.80

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Solution

The fourth proportional to 5,381.24, 8,055.45 and 4,276.80 is: 6,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.24 : 8,055.45 = 4,276.80 : x
  2. Step 2: Convert to fraction form
    5,381.24/8,055.45 = 4,276.80/x
  3. Step 3: Cross multiply
    5,381.24x = 8,055.45 × 4,276.80
  4. Step 4: Simplify right side
    5,381.24x = 34,451,548.56
  5. Step 5: Solve for x
    x = 34,451,548.56/5,381.24
  6. Step 6: Final answer
    x = 6,402.16

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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.