Home / 7,990.36-11,026.75-4,635.17

Finding the Fourth Proportional to 7,990.36, 11,026.75 and 4,635.17

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Solution

The fourth proportional to 7,990.36, 11,026.75 and 4,635.17 is: 6,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.36 : 11,026.75 = 4,635.17 : x
  2. Step 2: Convert to fraction form
    7,990.36/11,026.75 = 4,635.17/x
  3. Step 3: Cross multiply
    7,990.36x = 11,026.75 × 4,635.17
  4. Step 4: Simplify right side
    7,990.36x = 51,110,906.14
  5. Step 5: Solve for x
    x = 51,110,906.14/7,990.36
  6. Step 6: Final answer
    x = 6,396.57

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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.