Home / 7,455.69-11,180.77-2,189.25

Finding the Fourth Proportional to 7,455.69, 11,180.77 and 2,189.25

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Solution

The fourth proportional to 7,455.69, 11,180.77 and 2,189.25 is: 3,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.69 : 11,180.77 = 2,189.25 : x
  2. Step 2: Convert to fraction form
    7,455.69/11,180.77 = 2,189.25/x
  3. Step 3: Cross multiply
    7,455.69x = 11,180.77 × 2,189.25
  4. Step 4: Simplify right side
    7,455.69x = 24,477,495.25
  5. Step 5: Solve for x
    x = 24,477,495.25/7,455.69
  6. Step 6: Final answer
    x = 3,283.06

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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.