Home / 8,167.91-11,271.38-4,631.05

Finding the Fourth Proportional to 8,167.91, 11,271.38 and 4,631.05

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Solution

The fourth proportional to 8,167.91, 11,271.38 and 4,631.05 is: 6,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.91 : 11,271.38 = 4,631.05 : x
  2. Step 2: Convert to fraction form
    8,167.91/11,271.38 = 4,631.05/x
  3. Step 3: Cross multiply
    8,167.91x = 11,271.38 × 4,631.05
  4. Step 4: Simplify right side
    8,167.91x = 52,198,324.35
  5. Step 5: Solve for x
    x = 52,198,324.35/8,167.91
  6. Step 6: Final answer
    x = 6,390.66

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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.