Home / 7,561.54-11,346.09-3,122.47

Finding the Fourth Proportional to 7,561.54, 11,346.09 and 3,122.47

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Solution

The fourth proportional to 7,561.54, 11,346.09 and 3,122.47 is: 4,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.54 : 11,346.09 = 3,122.47 : x
  2. Step 2: Convert to fraction form
    7,561.54/11,346.09 = 3,122.47/x
  3. Step 3: Cross multiply
    7,561.54x = 11,346.09 × 3,122.47
  4. Step 4: Simplify right side
    7,561.54x = 35,427,825.64
  5. Step 5: Solve for x
    x = 35,427,825.64/7,561.54
  6. Step 6: Final answer
    x = 4,685.27

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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.