Home / 6,131.48-8,461.90-3,478.92

Finding the Fourth Proportional to 6,131.48, 8,461.90 and 3,478.92

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Solution

The fourth proportional to 6,131.48, 8,461.90 and 3,478.92 is: 4,801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.48 : 8,461.90 = 3,478.92 : x
  2. Step 2: Convert to fraction form
    6,131.48/8,461.90 = 3,478.92/x
  3. Step 3: Cross multiply
    6,131.48x = 8,461.90 × 3,478.92
  4. Step 4: Simplify right side
    6,131.48x = 29,438,273.15
  5. Step 5: Solve for x
    x = 29,438,273.15/6,131.48
  6. Step 6: Final answer
    x = 4,801.17

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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.