Home / 6,128.88-8,457.64-3,476.24

Finding the Fourth Proportional to 6,128.88, 8,457.64 and 3,476.24

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Solution

The fourth proportional to 6,128.88, 8,457.64 and 3,476.24 is: 4,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.88 : 8,457.64 = 3,476.24 : x
  2. Step 2: Convert to fraction form
    6,128.88/8,457.64 = 3,476.24/x
  3. Step 3: Cross multiply
    6,128.88x = 8,457.64 × 3,476.24
  4. Step 4: Simplify right side
    6,128.88x = 29,400,786.47
  5. Step 5: Solve for x
    x = 29,400,786.47/6,128.88
  6. Step 6: Final answer
    x = 4,797.09

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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.