Home / 7,629.84-11,441.76-2,947.44

Finding the Fourth Proportional to 7,629.84, 11,441.76 and 2,947.44

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Solution

The fourth proportional to 7,629.84, 11,441.76 and 2,947.44 is: 4,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.84 : 11,441.76 = 2,947.44 : x
  2. Step 2: Convert to fraction form
    7,629.84/11,441.76 = 2,947.44/x
  3. Step 3: Cross multiply
    7,629.84x = 11,441.76 × 2,947.44
  4. Step 4: Simplify right side
    7,629.84x = 33,723,901.09
  5. Step 5: Solve for x
    x = 33,723,901.09/7,629.84
  6. Step 6: Final answer
    x = 4,420.00

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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.