Home / 8,376.96-11,556.96-5,392.38

Finding the Fourth Proportional to 8,376.96, 11,556.96 and 5,392.38

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Solution

The fourth proportional to 8,376.96, 11,556.96 and 5,392.38 is: 7,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.96 : 11,556.96 = 5,392.38 : x
  2. Step 2: Convert to fraction form
    8,376.96/11,556.96 = 5,392.38/x
  3. Step 3: Cross multiply
    8,376.96x = 11,556.96 × 5,392.38
  4. Step 4: Simplify right side
    8,376.96x = 62,319,519.96
  5. Step 5: Solve for x
    x = 62,319,519.96/8,376.96
  6. Step 6: Final answer
    x = 7,439.40

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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.