Home / 6,780.74-10,174.21-4,012.84

Finding the Fourth Proportional to 6,780.74, 10,174.21 and 4,012.84

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Solution

The fourth proportional to 6,780.74, 10,174.21 and 4,012.84 is: 6,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.74 : 10,174.21 = 4,012.84 : x
  2. Step 2: Convert to fraction form
    6,780.74/10,174.21 = 4,012.84/x
  3. Step 3: Cross multiply
    6,780.74x = 10,174.21 × 4,012.84
  4. Step 4: Simplify right side
    6,780.74x = 40,827,476.86
  5. Step 5: Solve for x
    x = 40,827,476.86/6,780.74
  6. Step 6: Final answer
    x = 6,021.09

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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.