Home / 6,747.62-10,112.32-5,287.19

Finding the Fourth Proportional to 6,747.62, 10,112.32 and 5,287.19

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Solution

The fourth proportional to 6,747.62, 10,112.32 and 5,287.19 is: 7,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.62 : 10,112.32 = 5,287.19 : x
  2. Step 2: Convert to fraction form
    6,747.62/10,112.32 = 5,287.19/x
  3. Step 3: Cross multiply
    6,747.62x = 10,112.32 × 5,287.19
  4. Step 4: Simplify right side
    6,747.62x = 53,465,730.74
  5. Step 5: Solve for x
    x = 53,465,730.74/6,747.62
  6. Step 6: Final answer
    x = 7,923.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.