Home / 8,168.08-11,271.30-4,631.86

Finding the Fourth Proportional to 8,168.08, 11,271.30 and 4,631.86

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Solution

The fourth proportional to 8,168.08, 11,271.30 and 4,631.86 is: 6,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.08 : 11,271.30 = 4,631.86 : x
  2. Step 2: Convert to fraction form
    8,168.08/11,271.30 = 4,631.86/x
  3. Step 3: Cross multiply
    8,168.08x = 11,271.30 × 4,631.86
  4. Step 4: Simplify right side
    8,168.08x = 52,207,083.62
  5. Step 5: Solve for x
    x = 52,207,083.62/8,168.08
  6. Step 6: Final answer
    x = 6,391.60

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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.