Home / 8,645.84-12,947.97-4,936.83

Finding the Fourth Proportional to 8,645.84, 12,947.97 and 4,936.83

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Solution

The fourth proportional to 8,645.84, 12,947.97 and 4,936.83 is: 7,393.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.84 : 12,947.97 = 4,936.83 : x
  2. Step 2: Convert to fraction form
    8,645.84/12,947.97 = 4,936.83/x
  3. Step 3: Cross multiply
    8,645.84x = 12,947.97 × 4,936.83
  4. Step 4: Simplify right side
    8,645.84x = 63,921,926.74
  5. Step 5: Solve for x
    x = 63,921,926.74/8,645.84
  6. Step 6: Final answer
    x = 7,393.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.