Home / 4,786.29-6,603.93-3,189.78

Finding the Fourth Proportional to 4,786.29, 6,603.93 and 3,189.78

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Solution

The fourth proportional to 4,786.29, 6,603.93 and 3,189.78 is: 4,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.29 : 6,603.93 = 3,189.78 : x
  2. Step 2: Convert to fraction form
    4,786.29/6,603.93 = 3,189.78/x
  3. Step 3: Cross multiply
    4,786.29x = 6,603.93 × 3,189.78
  4. Step 4: Simplify right side
    4,786.29x = 21,065,083.84
  5. Step 5: Solve for x
    x = 21,065,083.84/4,786.29
  6. Step 6: Final answer
    x = 4,401.13

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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.