Home / 8,722.98-12,037.65-4,744.09

Finding the Fourth Proportional to 8,722.98, 12,037.65 and 4,744.09

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Solution

The fourth proportional to 8,722.98, 12,037.65 and 4,744.09 is: 6,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.98 : 12,037.65 = 4,744.09 : x
  2. Step 2: Convert to fraction form
    8,722.98/12,037.65 = 4,744.09/x
  3. Step 3: Cross multiply
    8,722.98x = 12,037.65 × 4,744.09
  4. Step 4: Simplify right side
    8,722.98x = 57,107,694.99
  5. Step 5: Solve for x
    x = 57,107,694.99/8,722.98
  6. Step 6: Final answer
    x = 6,546.81

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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.