Home / 8,167.20-11,271.30-4,630.44

Finding the Fourth Proportional to 8,167.20, 11,271.30 and 4,630.44

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Solution

The fourth proportional to 8,167.20, 11,271.30 and 4,630.44 is: 6,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.20 : 11,271.30 = 4,630.44 : x
  2. Step 2: Convert to fraction form
    8,167.20/11,271.30 = 4,630.44/x
  3. Step 3: Cross multiply
    8,167.20x = 11,271.30 × 4,630.44
  4. Step 4: Simplify right side
    8,167.20x = 52,191,078.37
  5. Step 5: Solve for x
    x = 52,191,078.37/8,167.20
  6. Step 6: Final answer
    x = 6,390.33

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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.