Home / 6,172.08-9,259.48-1,789.72

Finding the Fourth Proportional to 6,172.08, 9,259.48 and 1,789.72

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Solution

The fourth proportional to 6,172.08, 9,259.48 and 1,789.72 is: 2,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.08 : 9,259.48 = 1,789.72 : x
  2. Step 2: Convert to fraction form
    6,172.08/9,259.48 = 1,789.72/x
  3. Step 3: Cross multiply
    6,172.08x = 9,259.48 × 1,789.72
  4. Step 4: Simplify right side
    6,172.08x = 16,571,876.55
  5. Step 5: Solve for x
    x = 16,571,876.55/6,172.08
  6. Step 6: Final answer
    x = 2,684.97

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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.