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Finding the Fourth Proportional to 7,798.14, 10,758.22 and 5,441.65

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Solution

The fourth proportional to 7,798.14, 10,758.22 and 5,441.65 is: 7,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.14 : 10,758.22 = 5,441.65 : x
  2. Step 2: Convert to fraction form
    7,798.14/10,758.22 = 5,441.65/x
  3. Step 3: Cross multiply
    7,798.14x = 10,758.22 × 5,441.65
  4. Step 4: Simplify right side
    7,798.14x = 58,542,427.36
  5. Step 5: Solve for x
    x = 58,542,427.36/7,798.14
  6. Step 6: Final answer
    x = 7,507.23

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Double scale
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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.