Home / 8,227.40-11,353.90-4,690.66

Finding the Fourth Proportional to 8,227.40, 11,353.90 and 4,690.66

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Solution

The fourth proportional to 8,227.40, 11,353.90 and 4,690.66 is: 6,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.40 : 11,353.90 = 4,690.66 : x
  2. Step 2: Convert to fraction form
    8,227.40/11,353.90 = 4,690.66/x
  3. Step 3: Cross multiply
    8,227.40x = 11,353.90 × 4,690.66
  4. Step 4: Simplify right side
    8,227.40x = 53,257,284.57
  5. Step 5: Solve for x
    x = 53,257,284.57/8,227.40
  6. Step 6: Final answer
    x = 6,473.16

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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.