Home / 7,545.80-11,318.71-3,383.54

Finding the Fourth Proportional to 7,545.80, 11,318.71 and 3,383.54

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Solution

The fourth proportional to 7,545.80, 11,318.71 and 3,383.54 is: 5,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.80 : 11,318.71 = 3,383.54 : x
  2. Step 2: Convert to fraction form
    7,545.80/11,318.71 = 3,383.54/x
  3. Step 3: Cross multiply
    7,545.80x = 11,318.71 × 3,383.54
  4. Step 4: Simplify right side
    7,545.80x = 38,297,327.01
  5. Step 5: Solve for x
    x = 38,297,327.01/7,545.80
  6. Step 6: Final answer
    x = 5,075.31

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1.5x scale

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.