Home / 6,128.52-8,457.16-3,476.20

Finding the Fourth Proportional to 6,128.52, 8,457.16 and 3,476.20

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Solution

The fourth proportional to 6,128.52, 8,457.16 and 3,476.20 is: 4,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.52 : 8,457.16 = 3,476.20 : x
  2. Step 2: Convert to fraction form
    6,128.52/8,457.16 = 3,476.20/x
  3. Step 3: Cross multiply
    6,128.52x = 8,457.16 × 3,476.20
  4. Step 4: Simplify right side
    6,128.52x = 29,398,779.59
  5. Step 5: Solve for x
    x = 29,398,779.59/6,128.52
  6. Step 6: Final answer
    x = 4,797.04

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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.