Home / 4,939.40-7,408.70-1,476.66

Finding the Fourth Proportional to 4,939.40, 7,408.70 and 1,476.66

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Solution

The fourth proportional to 4,939.40, 7,408.70 and 1,476.66 is: 2,214.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.40 : 7,408.70 = 1,476.66 : x
  2. Step 2: Convert to fraction form
    4,939.40/7,408.70 = 1,476.66/x
  3. Step 3: Cross multiply
    4,939.40x = 7,408.70 × 1,476.66
  4. Step 4: Simplify right side
    4,939.40x = 10,940,130.94
  5. Step 5: Solve for x
    x = 10,940,130.94/4,939.40
  6. Step 6: Final answer
    x = 2,214.87

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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.