Home / 5,146.32-7,101.55-3,021.94

Finding the Fourth Proportional to 5,146.32, 7,101.55 and 3,021.94

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Solution

The fourth proportional to 5,146.32, 7,101.55 and 3,021.94 is: 4,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.32 : 7,101.55 = 3,021.94 : x
  2. Step 2: Convert to fraction form
    5,146.32/7,101.55 = 3,021.94/x
  3. Step 3: Cross multiply
    5,146.32x = 7,101.55 × 3,021.94
  4. Step 4: Simplify right side
    5,146.32x = 21,460,458.01
  5. Step 5: Solve for x
    x = 21,460,458.01/5,146.32
  6. Step 6: Final answer
    x = 4,170.06

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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.