Home / 9,021.77-13,528.78-3,099.25

Finding the Fourth Proportional to 9,021.77, 13,528.78 and 3,099.25

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Solution

The fourth proportional to 9,021.77, 13,528.78 and 3,099.25 is: 4,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.77 : 13,528.78 = 3,099.25 : x
  2. Step 2: Convert to fraction form
    9,021.77/13,528.78 = 3,099.25/x
  3. Step 3: Cross multiply
    9,021.77x = 13,528.78 × 3,099.25
  4. Step 4: Simplify right side
    9,021.77x = 41,929,029.84
  5. Step 5: Solve for x
    x = 41,929,029.84/9,021.77
  6. Step 6: Final answer
    x = 4,647.54

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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.