Home / 5,075.20-7,005.66-3,759.52

Finding the Fourth Proportional to 5,075.20, 7,005.66 and 3,759.52

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Solution

The fourth proportional to 5,075.20, 7,005.66 and 3,759.52 is: 5,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.20 : 7,005.66 = 3,759.52 : x
  2. Step 2: Convert to fraction form
    5,075.20/7,005.66 = 3,759.52/x
  3. Step 3: Cross multiply
    5,075.20x = 7,005.66 × 3,759.52
  4. Step 4: Simplify right side
    5,075.20x = 26,337,918.88
  5. Step 5: Solve for x
    x = 26,337,918.88/5,075.20
  6. Step 6: Final answer
    x = 5,189.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.