Home / 7,783.37-11,675.78-3,102.24

Finding the Fourth Proportional to 7,783.37, 11,675.78 and 3,102.24

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Solution

The fourth proportional to 7,783.37, 11,675.78 and 3,102.24 is: 4,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.37 : 11,675.78 = 3,102.24 : x
  2. Step 2: Convert to fraction form
    7,783.37/11,675.78 = 3,102.24/x
  3. Step 3: Cross multiply
    7,783.37x = 11,675.78 × 3,102.24
  4. Step 4: Simplify right side
    7,783.37x = 36,221,071.75
  5. Step 5: Solve for x
    x = 36,221,071.75/7,783.37
  6. Step 6: Final answer
    x = 4,653.65

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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.