Home / 5,356.97-7,393.31-2,999.57

Finding the Fourth Proportional to 5,356.97, 7,393.31 and 2,999.57

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Solution

The fourth proportional to 5,356.97, 7,393.31 and 2,999.57 is: 4,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.97 : 7,393.31 = 2,999.57 : x
  2. Step 2: Convert to fraction form
    5,356.97/7,393.31 = 2,999.57/x
  3. Step 3: Cross multiply
    5,356.97x = 7,393.31 × 2,999.57
  4. Step 4: Simplify right side
    5,356.97x = 22,176,710.16
  5. Step 5: Solve for x
    x = 22,176,710.16/5,356.97
  6. Step 6: Final answer
    x = 4,139.79

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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.