Home / 7,904.88-11,858.13-3,521.97

Finding the Fourth Proportional to 7,904.88, 11,858.13 and 3,521.97

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Solution

The fourth proportional to 7,904.88, 11,858.13 and 3,521.97 is: 5,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.88 : 11,858.13 = 3,521.97 : x
  2. Step 2: Convert to fraction form
    7,904.88/11,858.13 = 3,521.97/x
  3. Step 3: Cross multiply
    7,904.88x = 11,858.13 × 3,521.97
  4. Step 4: Simplify right side
    7,904.88x = 41,763,978.12
  5. Step 5: Solve for x
    x = 41,763,978.12/7,904.88
  6. Step 6: Final answer
    x = 5,283.32

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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.