Home / 5,357.33-7,392.69-2,999.15

Finding the Fourth Proportional to 5,357.33, 7,392.69 and 2,999.15

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Solution

The fourth proportional to 5,357.33, 7,392.69 and 2,999.15 is: 4,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.33 : 7,392.69 = 2,999.15 : x
  2. Step 2: Convert to fraction form
    5,357.33/7,392.69 = 2,999.15/x
  3. Step 3: Cross multiply
    5,357.33x = 7,392.69 × 2,999.15
  4. Step 4: Simplify right side
    5,357.33x = 22,171,786.21
  5. Step 5: Solve for x
    x = 22,171,786.21/5,357.33
  6. Step 6: Final answer
    x = 4,138.59

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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.