Home / 4,917.40-6,786.78-3,524.76

Finding the Fourth Proportional to 4,917.40, 6,786.78 and 3,524.76

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Solution

The fourth proportional to 4,917.40, 6,786.78 and 3,524.76 is: 4,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.40 : 6,786.78 = 3,524.76 : x
  2. Step 2: Convert to fraction form
    4,917.40/6,786.78 = 3,524.76/x
  3. Step 3: Cross multiply
    4,917.40x = 6,786.78 × 3,524.76
  4. Step 4: Simplify right side
    4,917.40x = 23,921,770.67
  5. Step 5: Solve for x
    x = 23,921,770.67/4,917.40
  6. Step 6: Final answer
    x = 4,864.72

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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.