Home / 7,284.07-10,928.40-2,603.97

Finding the Fourth Proportional to 7,284.07, 10,928.40 and 2,603.97

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Solution

The fourth proportional to 7,284.07, 10,928.40 and 2,603.97 is: 3,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.07 : 10,928.40 = 2,603.97 : x
  2. Step 2: Convert to fraction form
    7,284.07/10,928.40 = 2,603.97/x
  3. Step 3: Cross multiply
    7,284.07x = 10,928.40 × 2,603.97
  4. Step 4: Simplify right side
    7,284.07x = 28,457,225.75
  5. Step 5: Solve for x
    x = 28,457,225.75/7,284.07
  6. Step 6: Final answer
    x = 3,906.78

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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.