Home / 4,503.80-6,755.40-1,383.68

Finding the Fourth Proportional to 4,503.80, 6,755.40 and 1,383.68

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Solution

The fourth proportional to 4,503.80, 6,755.40 and 1,383.68 is: 2,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.80 : 6,755.40 = 1,383.68 : x
  2. Step 2: Convert to fraction form
    4,503.80/6,755.40 = 1,383.68/x
  3. Step 3: Cross multiply
    4,503.80x = 6,755.40 × 1,383.68
  4. Step 4: Simplify right side
    4,503.80x = 9,347,328.76
  5. Step 5: Solve for x
    x = 9,347,328.76/4,503.80
  6. Step 6: Final answer
    x = 2,075.43

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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.