Home / 7,521.36-11,284.56-3,625.32

Finding the Fourth Proportional to 7,521.36, 11,284.56 and 3,625.32

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Solution

The fourth proportional to 7,521.36, 11,284.56 and 3,625.32 is: 5,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.36 : 11,284.56 = 3,625.32 : x
  2. Step 2: Convert to fraction form
    7,521.36/11,284.56 = 3,625.32/x
  3. Step 3: Cross multiply
    7,521.36x = 11,284.56 × 3,625.32
  4. Step 4: Simplify right side
    7,521.36x = 40,910,141.06
  5. Step 5: Solve for x
    x = 40,910,141.06/7,521.36
  6. Step 6: Final answer
    x = 5,439.19

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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.