Home / 4,521.21-6,781.73-1,234.59

Finding the Fourth Proportional to 4,521.21, 6,781.73 and 1,234.59

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Solution

The fourth proportional to 4,521.21, 6,781.73 and 1,234.59 is: 1,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.21 : 6,781.73 = 1,234.59 : x
  2. Step 2: Convert to fraction form
    4,521.21/6,781.73 = 1,234.59/x
  3. Step 3: Cross multiply
    4,521.21x = 6,781.73 × 1,234.59
  4. Step 4: Simplify right side
    4,521.21x = 8,372,649.87
  5. Step 5: Solve for x
    x = 8,372,649.87/4,521.21
  6. Step 6: Final answer
    x = 1,851.86

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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.