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Finding the Fourth Proportional to 4,939.29, 7,408.41 and 1,652.01

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Solution

The fourth proportional to 4,939.29, 7,408.41 and 1,652.01 is: 2,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.29 : 7,408.41 = 1,652.01 : x
  2. Step 2: Convert to fraction form
    4,939.29/7,408.41 = 1,652.01/x
  3. Step 3: Cross multiply
    4,939.29x = 7,408.41 × 1,652.01
  4. Step 4: Simplify right side
    4,939.29x = 12,238,767.40
  5. Step 5: Solve for x
    x = 12,238,767.40/4,939.29
  6. Step 6: Final answer
    x = 2,477.84

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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.