Home / 8,127.24-12,182.91-3,967.08

Finding the Fourth Proportional to 8,127.24, 12,182.91 and 3,967.08

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Solution

The fourth proportional to 8,127.24, 12,182.91 and 3,967.08 is: 5,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.24 : 12,182.91 = 3,967.08 : x
  2. Step 2: Convert to fraction form
    8,127.24/12,182.91 = 3,967.08/x
  3. Step 3: Cross multiply
    8,127.24x = 12,182.91 × 3,967.08
  4. Step 4: Simplify right side
    8,127.24x = 48,330,578.60
  5. Step 5: Solve for x
    x = 48,330,578.60/8,127.24
  6. Step 6: Final answer
    x = 5,946.74

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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.