Home / 7,961.36-10,986.03-4,603.41

Finding the Fourth Proportional to 7,961.36, 10,986.03 and 4,603.41

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Solution

The fourth proportional to 7,961.36, 10,986.03 and 4,603.41 is: 6,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.36 : 10,986.03 = 4,603.41 : x
  2. Step 2: Convert to fraction form
    7,961.36/10,986.03 = 4,603.41/x
  3. Step 3: Cross multiply
    7,961.36x = 10,986.03 × 4,603.41
  4. Step 4: Simplify right side
    7,961.36x = 50,573,169.46
  5. Step 5: Solve for x
    x = 50,573,169.46/7,961.36
  6. Step 6: Final answer
    x = 6,352.33

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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.