Home / 5,190.54-7,163.36-2,953.09

Finding the Fourth Proportional to 5,190.54, 7,163.36 and 2,953.09

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Solution

The fourth proportional to 5,190.54, 7,163.36 and 2,953.09 is: 4,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.54 : 7,163.36 = 2,953.09 : x
  2. Step 2: Convert to fraction form
    5,190.54/7,163.36 = 2,953.09/x
  3. Step 3: Cross multiply
    5,190.54x = 7,163.36 × 2,953.09
  4. Step 4: Simplify right side
    5,190.54x = 21,154,046.78
  5. Step 5: Solve for x
    x = 21,154,046.78/5,190.54
  6. Step 6: Final answer
    x = 4,075.50

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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.