Home / 9,786.40-14,686-4,860.26

Finding the Fourth Proportional to 9,786.40, 14,686 and 4,860.26

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Solution

The fourth proportional to 9,786.40, 14,686 and 4,860.26 is: 7,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.40 : 14,686 = 4,860.26 : x
  2. Step 2: Convert to fraction form
    9,786.40/14,686 = 4,860.26/x
  3. Step 3: Cross multiply
    9,786.40x = 14,686 × 4,860.26
  4. Step 4: Simplify right side
    9,786.40x = 71,377,778.36
  5. Step 5: Solve for x
    x = 71,377,778.36/9,786.40
  6. Step 6: Final answer
    x = 7,293.57

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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.