Home / 6,117.72-9,169.38-2,827.80

Finding the Fourth Proportional to 6,117.72, 9,169.38 and 2,827.80

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Solution

The fourth proportional to 6,117.72, 9,169.38 and 2,827.80 is: 4,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.72 : 9,169.38 = 2,827.80 : x
  2. Step 2: Convert to fraction form
    6,117.72/9,169.38 = 2,827.80/x
  3. Step 3: Cross multiply
    6,117.72x = 9,169.38 × 2,827.80
  4. Step 4: Simplify right side
    6,117.72x = 25,929,172.76
  5. Step 5: Solve for x
    x = 25,929,172.76/6,117.72
  6. Step 6: Final answer
    x = 4,238.37

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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.