Home / 4,090.56-6,128.28-3,167.16

Finding the Fourth Proportional to 4,090.56, 6,128.28 and 3,167.16

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Solution

The fourth proportional to 4,090.56, 6,128.28 and 3,167.16 is: 4,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.56 : 6,128.28 = 3,167.16 : x
  2. Step 2: Convert to fraction form
    4,090.56/6,128.28 = 3,167.16/x
  3. Step 3: Cross multiply
    4,090.56x = 6,128.28 × 3,167.16
  4. Step 4: Simplify right side
    4,090.56x = 19,409,243.28
  5. Step 5: Solve for x
    x = 19,409,243.28/4,090.56
  6. Step 6: Final answer
    x = 4,744.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.