Home / 5,357.62-7,392.85-2,999.38

Finding the Fourth Proportional to 5,357.62, 7,392.85 and 2,999.38

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Solution

The fourth proportional to 5,357.62, 7,392.85 and 2,999.38 is: 4,138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.62 : 7,392.85 = 2,999.38 : x
  2. Step 2: Convert to fraction form
    5,357.62/7,392.85 = 2,999.38/x
  3. Step 3: Cross multiply
    5,357.62x = 7,392.85 × 2,999.38
  4. Step 4: Simplify right side
    5,357.62x = 22,173,966.43
  5. Step 5: Solve for x
    x = 22,173,966.43/5,357.62
  6. Step 6: Final answer
    x = 4,138.77

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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.