Home / 8,885.40-12,260.70-4,906.68

Finding the Fourth Proportional to 8,885.40, 12,260.70 and 4,906.68

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Solution

The fourth proportional to 8,885.40, 12,260.70 and 4,906.68 is: 6,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.40 : 12,260.70 = 4,906.68 : x
  2. Step 2: Convert to fraction form
    8,885.40/12,260.70 = 4,906.68/x
  3. Step 3: Cross multiply
    8,885.40x = 12,260.70 × 4,906.68
  4. Step 4: Simplify right side
    8,885.40x = 60,159,331.48
  5. Step 5: Solve for x
    x = 60,159,331.48/8,885.40
  6. Step 6: Final answer
    x = 6,770.58

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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.