Home / 4,939.32-7,408.02-1,477.56

Finding the Fourth Proportional to 4,939.32, 7,408.02 and 1,477.56

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Solution

The fourth proportional to 4,939.32, 7,408.02 and 1,477.56 is: 2,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.32 : 7,408.02 = 1,477.56 : x
  2. Step 2: Convert to fraction form
    4,939.32/7,408.02 = 1,477.56/x
  3. Step 3: Cross multiply
    4,939.32x = 7,408.02 × 1,477.56
  4. Step 4: Simplify right side
    4,939.32x = 10,945,794.03
  5. Step 5: Solve for x
    x = 10,945,794.03/4,939.32
  6. Step 6: Final answer
    x = 2,216.05

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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.