Home / 5,146.09-7,101.55-2,907.97

Finding the Fourth Proportional to 5,146.09, 7,101.55 and 2,907.97

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Solution

The fourth proportional to 5,146.09, 7,101.55 and 2,907.97 is: 4,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.09 : 7,101.55 = 2,907.97 : x
  2. Step 2: Convert to fraction form
    5,146.09/7,101.55 = 2,907.97/x
  3. Step 3: Cross multiply
    5,146.09x = 7,101.55 × 2,907.97
  4. Step 4: Simplify right side
    5,146.09x = 20,651,094.35
  5. Step 5: Solve for x
    x = 20,651,094.35/5,146.09
  6. Step 6: Final answer
    x = 4,012.97

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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.