Home / 6,142.68-8,476.16-3,489.35

Finding the Fourth Proportional to 6,142.68, 8,476.16 and 3,489.35

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Solution

The fourth proportional to 6,142.68, 8,476.16 and 3,489.35 is: 4,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142.68 : 8,476.16 = 3,489.35 : x
  2. Step 2: Convert to fraction form
    6,142.68/8,476.16 = 3,489.35/x
  3. Step 3: Cross multiply
    6,142.68x = 8,476.16 × 3,489.35
  4. Step 4: Simplify right side
    6,142.68x = 29,576,229.07
  5. Step 5: Solve for x
    x = 29,576,229.07/6,142.68
  6. Step 6: Final answer
    x = 4,814.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.