Home / 4,722.24-7,083.36-1,947.72

Finding the Fourth Proportional to 4,722.24, 7,083.36 and 1,947.72

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Solution

The fourth proportional to 4,722.24, 7,083.36 and 1,947.72 is: 2,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.24 : 7,083.36 = 1,947.72 : x
  2. Step 2: Convert to fraction form
    4,722.24/7,083.36 = 1,947.72/x
  3. Step 3: Cross multiply
    4,722.24x = 7,083.36 × 1,947.72
  4. Step 4: Simplify right side
    4,722.24x = 13,796,401.94
  5. Step 5: Solve for x
    x = 13,796,401.94/4,722.24
  6. Step 6: Final answer
    x = 2,921.58

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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.