Home / 6,131.88-8,461.70-3,479.22

Finding the Fourth Proportional to 6,131.88, 8,461.70 and 3,479.22

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Solution

The fourth proportional to 6,131.88, 8,461.70 and 3,479.22 is: 4,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.88 : 8,461.70 = 3,479.22 : x
  2. Step 2: Convert to fraction form
    6,131.88/8,461.70 = 3,479.22/x
  3. Step 3: Cross multiply
    6,131.88x = 8,461.70 × 3,479.22
  4. Step 4: Simplify right side
    6,131.88x = 29,440,115.87
  5. Step 5: Solve for x
    x = 29,440,115.87/6,131.88
  6. Step 6: Final answer
    x = 4,801.16

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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.