Home / 6,131.23-8,461.29-3,478.75

Finding the Fourth Proportional to 6,131.23, 8,461.29 and 3,478.75

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Solution

The fourth proportional to 6,131.23, 8,461.29 and 3,478.75 is: 4,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.23 : 8,461.29 = 3,478.75 : x
  2. Step 2: Convert to fraction form
    6,131.23/8,461.29 = 3,478.75/x
  3. Step 3: Cross multiply
    6,131.23x = 8,461.29 × 3,478.75
  4. Step 4: Simplify right side
    6,131.23x = 29,434,704.48
  5. Step 5: Solve for x
    x = 29,434,704.48/6,131.23
  6. Step 6: Final answer
    x = 4,800.78

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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.