Home / 4,431.84-6,647.20-2,783.36

Finding the Fourth Proportional to 4,431.84, 6,647.20 and 2,783.36

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Solution

The fourth proportional to 4,431.84, 6,647.20 and 2,783.36 is: 4,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.84 : 6,647.20 = 2,783.36 : x
  2. Step 2: Convert to fraction form
    4,431.84/6,647.20 = 2,783.36/x
  3. Step 3: Cross multiply
    4,431.84x = 6,647.20 × 2,783.36
  4. Step 4: Simplify right side
    4,431.84x = 18,501,550.59
  5. Step 5: Solve for x
    x = 18,501,550.59/4,431.84
  6. Step 6: Final answer
    x = 4,174.69

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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.