Home / 4,430.75-6,645.20-1,963.99

Finding the Fourth Proportional to 4,430.75, 6,645.20 and 1,963.99

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Solution

The fourth proportional to 4,430.75, 6,645.20 and 1,963.99 is: 2,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.75 : 6,645.20 = 1,963.99 : x
  2. Step 2: Convert to fraction form
    4,430.75/6,645.20 = 1,963.99/x
  3. Step 3: Cross multiply
    4,430.75x = 6,645.20 × 1,963.99
  4. Step 4: Simplify right side
    4,430.75x = 13,051,106.35
  5. Step 5: Solve for x
    x = 13,051,106.35/4,430.75
  6. Step 6: Final answer
    x = 2,945.57

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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.