Home / 8,886.11-12,261.78-4,906.98

Finding the Fourth Proportional to 8,886.11, 12,261.78 and 4,906.98

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Solution

The fourth proportional to 8,886.11, 12,261.78 and 4,906.98 is: 6,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.11 : 12,261.78 = 4,906.98 : x
  2. Step 2: Convert to fraction form
    8,886.11/12,261.78 = 4,906.98/x
  3. Step 3: Cross multiply
    8,886.11x = 12,261.78 × 4,906.98
  4. Step 4: Simplify right side
    8,886.11x = 60,168,309.22
  5. Step 5: Solve for x
    x = 60,168,309.22/8,886.11
  6. Step 6: Final answer
    x = 6,771.06

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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.