Home / 4,326.16-6,489.92-1,861.00

Finding the Fourth Proportional to 4,326.16, 6,489.92 and 1,861.00

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Solution

The fourth proportional to 4,326.16, 6,489.92 and 1,861.00 is: 2,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.16 : 6,489.92 = 1,861.00 : x
  2. Step 2: Convert to fraction form
    4,326.16/6,489.92 = 1,861.00/x
  3. Step 3: Cross multiply
    4,326.16x = 6,489.92 × 1,861.00
  4. Step 4: Simplify right side
    4,326.16x = 12,077,747.80
  5. Step 5: Solve for x
    x = 12,077,747.80/4,326.16
  6. Step 6: Final answer
    x = 2,791.79

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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.