Home / 8,903.40-12,286.56-4,924.80

Finding the Fourth Proportional to 8,903.40, 12,286.56 and 4,924.80

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Solution

The fourth proportional to 8,903.40, 12,286.56 and 4,924.80 is: 6,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.40 : 12,286.56 = 4,924.80 : x
  2. Step 2: Convert to fraction form
    8,903.40/12,286.56 = 4,924.80/x
  3. Step 3: Cross multiply
    8,903.40x = 12,286.56 × 4,924.80
  4. Step 4: Simplify right side
    8,903.40x = 60,508,850.69
  5. Step 5: Solve for x
    x = 60,508,850.69/8,903.40
  6. Step 6: Final answer
    x = 6,796.15

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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.