Home / 5,383.27-8,075.99-1,920.43

Finding the Fourth Proportional to 5,383.27, 8,075.99 and 1,920.43

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Solution

The fourth proportional to 5,383.27, 8,075.99 and 1,920.43 is: 2,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.27 : 8,075.99 = 1,920.43 : x
  2. Step 2: Convert to fraction form
    5,383.27/8,075.99 = 1,920.43/x
  3. Step 3: Cross multiply
    5,383.27x = 8,075.99 × 1,920.43
  4. Step 4: Simplify right side
    5,383.27x = 15,509,373.48
  5. Step 5: Solve for x
    x = 15,509,373.48/5,383.27
  6. Step 6: Final answer
    x = 2,881.03

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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.