Home / 8,906.75-12,291.30-4,927.76

Finding the Fourth Proportional to 8,906.75, 12,291.30 and 4,927.76

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Solution

The fourth proportional to 8,906.75, 12,291.30 and 4,927.76 is: 6,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.75 : 12,291.30 = 4,927.76 : x
  2. Step 2: Convert to fraction form
    8,906.75/12,291.30 = 4,927.76/x
  3. Step 3: Cross multiply
    8,906.75x = 12,291.30 × 4,927.76
  4. Step 4: Simplify right side
    8,906.75x = 60,568,576.49
  5. Step 5: Solve for x
    x = 60,568,576.49/8,906.75
  6. Step 6: Final answer
    x = 6,800.30

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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.