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Finding the Fourth Proportional to 6,758.55, 10,142.69 and 2,379.69

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Solution

The fourth proportional to 6,758.55, 10,142.69 and 2,379.69 is: 3,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.55 : 10,142.69 = 2,379.69 : x
  2. Step 2: Convert to fraction form
    6,758.55/10,142.69 = 2,379.69/x
  3. Step 3: Cross multiply
    6,758.55x = 10,142.69 × 2,379.69
  4. Step 4: Simplify right side
    6,758.55x = 24,136,457.97
  5. Step 5: Solve for x
    x = 24,136,457.97/6,758.55
  6. Step 6: Final answer
    x = 3,571.25

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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.