Home / 7,763.35-11,645.06-3,320.37

Finding the Fourth Proportional to 7,763.35, 11,645.06 and 3,320.37

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Solution

The fourth proportional to 7,763.35, 11,645.06 and 3,320.37 is: 4,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.35 : 11,645.06 = 3,320.37 : x
  2. Step 2: Convert to fraction form
    7,763.35/11,645.06 = 3,320.37/x
  3. Step 3: Cross multiply
    7,763.35x = 11,645.06 × 3,320.37
  4. Step 4: Simplify right side
    7,763.35x = 38,665,907.87
  5. Step 5: Solve for x
    x = 38,665,907.87/7,763.35
  6. Step 6: Final answer
    x = 4,980.57

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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.