Home / 4,949.37-7,424.06-1,989.16

Finding the Fourth Proportional to 4,949.37, 7,424.06 and 1,989.16

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Solution

The fourth proportional to 4,949.37, 7,424.06 and 1,989.16 is: 2,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.37 : 7,424.06 = 1,989.16 : x
  2. Step 2: Convert to fraction form
    4,949.37/7,424.06 = 1,989.16/x
  3. Step 3: Cross multiply
    4,949.37x = 7,424.06 × 1,989.16
  4. Step 4: Simplify right side
    4,949.37x = 14,767,614.68
  5. Step 5: Solve for x
    x = 14,767,614.68/4,949.37
  6. Step 6: Final answer
    x = 2,983.74

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Similar ratio
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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.