Home / 7,805.14-10,771.60-4,448.06

Finding the Fourth Proportional to 7,805.14, 10,771.60 and 4,448.06

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Solution

The fourth proportional to 7,805.14, 10,771.60 and 4,448.06 is: 6,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805.14 : 10,771.60 = 4,448.06 : x
  2. Step 2: Convert to fraction form
    7,805.14/10,771.60 = 4,448.06/x
  3. Step 3: Cross multiply
    7,805.14x = 10,771.60 × 4,448.06
  4. Step 4: Simplify right side
    7,805.14x = 47,912,723.10
  5. Step 5: Solve for x
    x = 47,912,723.10/7,805.14
  6. Step 6: Final answer
    x = 6,138.61

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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.