Home / 6,146.55-8,481.95-3,760.49

Finding the Fourth Proportional to 6,146.55, 8,481.95 and 3,760.49

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Solution

The fourth proportional to 6,146.55, 8,481.95 and 3,760.49 is: 5,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,146.55 : 8,481.95 = 3,760.49 : x
  2. Step 2: Convert to fraction form
    6,146.55/8,481.95 = 3,760.49/x
  3. Step 3: Cross multiply
    6,146.55x = 8,481.95 × 3,760.49
  4. Step 4: Simplify right side
    6,146.55x = 31,896,288.16
  5. Step 5: Solve for x
    x = 31,896,288.16/6,146.55
  6. Step 6: Final answer
    x = 5,189.30

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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.