Home / 4,247.70-6,369.48-1,781.85

Finding the Fourth Proportional to 4,247.70, 6,369.48 and 1,781.85

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Solution

The fourth proportional to 4,247.70, 6,369.48 and 1,781.85 is: 2,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.70 : 6,369.48 = 1,781.85 : x
  2. Step 2: Convert to fraction form
    4,247.70/6,369.48 = 1,781.85/x
  3. Step 3: Cross multiply
    4,247.70x = 6,369.48 × 1,781.85
  4. Step 4: Simplify right side
    4,247.70x = 11,349,457.94
  5. Step 5: Solve for x
    x = 11,349,457.94/4,247.70
  6. Step 6: Final answer
    x = 2,671.91

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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.