Home / 6,128.48-8,457.76-3,475.92

Finding the Fourth Proportional to 6,128.48, 8,457.76 and 3,475.92

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Solution

The fourth proportional to 6,128.48, 8,457.76 and 3,475.92 is: 4,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.48 : 8,457.76 = 3,475.92 : x
  2. Step 2: Convert to fraction form
    6,128.48/8,457.76 = 3,475.92/x
  3. Step 3: Cross multiply
    6,128.48x = 8,457.76 × 3,475.92
  4. Step 4: Simplify right side
    6,128.48x = 29,398,497.14
  5. Step 5: Solve for x
    x = 29,398,497.14/6,128.48
  6. Step 6: Final answer
    x = 4,797.03

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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.