Home / 5,146.10-7,101.56-3,021.26

Finding the Fourth Proportional to 5,146.10, 7,101.56 and 3,021.26

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Solution

The fourth proportional to 5,146.10, 7,101.56 and 3,021.26 is: 4,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.10 : 7,101.56 = 3,021.26 : x
  2. Step 2: Convert to fraction form
    5,146.10/7,101.56 = 3,021.26/x
  3. Step 3: Cross multiply
    5,146.10x = 7,101.56 × 3,021.26
  4. Step 4: Simplify right side
    5,146.10x = 21,455,659.17
  5. Step 5: Solve for x
    x = 21,455,659.17/5,146.10
  6. Step 6: Final answer
    x = 4,169.30

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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.