Home / 6,128.55-8,457.48-3,475.94

Finding the Fourth Proportional to 6,128.55, 8,457.48 and 3,475.94

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Solution

The fourth proportional to 6,128.55, 8,457.48 and 3,475.94 is: 4,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128.55 : 8,457.48 = 3,475.94 : x
  2. Step 2: Convert to fraction form
    6,128.55/8,457.48 = 3,475.94/x
  3. Step 3: Cross multiply
    6,128.55x = 8,457.48 × 3,475.94
  4. Step 4: Simplify right side
    6,128.55x = 29,397,650.74
  5. Step 5: Solve for x
    x = 29,397,650.74/6,128.55
  6. Step 6: Final answer
    x = 4,796.84

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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.