Home / 4,939.08-7,408.86-1,476

Finding the Fourth Proportional to 4,939.08, 7,408.86 and 1,476

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Solution

The fourth proportional to 4,939.08, 7,408.86 and 1,476 is: 2,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.08 : 7,408.86 = 1,476 : x
  2. Step 2: Convert to fraction form
    4,939.08/7,408.86 = 1,476/x
  3. Step 3: Cross multiply
    4,939.08x = 7,408.86 × 1,476
  4. Step 4: Simplify right side
    4,939.08x = 10,935,477.36
  5. Step 5: Solve for x
    x = 10,935,477.36/4,939.08
  6. Step 6: Final answer
    x = 2,214.07

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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.