Home / 7,778.40-11,669.33-2,847.93

Finding the Fourth Proportional to 7,778.40, 11,669.33 and 2,847.93

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Solution

The fourth proportional to 7,778.40, 11,669.33 and 2,847.93 is: 4,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.40 : 11,669.33 = 2,847.93 : x
  2. Step 2: Convert to fraction form
    7,778.40/11,669.33 = 2,847.93/x
  3. Step 3: Cross multiply
    7,778.40x = 11,669.33 × 2,847.93
  4. Step 4: Simplify right side
    7,778.40x = 33,233,434.99
  5. Step 5: Solve for x
    x = 33,233,434.99/7,778.40
  6. Step 6: Final answer
    x = 4,272.53

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1.5x scale

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.