Home / 6,128.73-8,457.75-3,476.21

Finding the Fourth Proportional to 6,128.73, 8,457.75 and 3,476.21

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Solution

The fourth proportional to 6,128.73, 8,457.75 and 3,476.21 is: 4,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.73 : 8,457.75 = 3,476.21 : x
  2. Step 2: Convert to fraction form
    6,128.73/8,457.75 = 3,476.21/x
  3. Step 3: Cross multiply
    6,128.73x = 8,457.75 × 3,476.21
  4. Step 4: Simplify right side
    6,128.73x = 29,400,872.84
  5. Step 5: Solve for x
    x = 29,400,872.84/6,128.73
  6. Step 6: Final answer
    x = 4,797.22

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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.