Home / 7,786.98-10,745.60-4,430.61

Finding the Fourth Proportional to 7,786.98, 10,745.60 and 4,430.61

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Solution

The fourth proportional to 7,786.98, 10,745.60 and 4,430.61 is: 6,113.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.98 : 10,745.60 = 4,430.61 : x
  2. Step 2: Convert to fraction form
    7,786.98/10,745.60 = 4,430.61/x
  3. Step 3: Cross multiply
    7,786.98x = 10,745.60 × 4,430.61
  4. Step 4: Simplify right side
    7,786.98x = 47,609,540.66
  5. Step 5: Solve for x
    x = 47,609,540.66/7,786.98
  6. Step 6: Final answer
    x = 6,113.99

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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.