Home / 9,021.48-13,529.70-3,823.80

Finding the Fourth Proportional to 9,021.48, 13,529.70 and 3,823.80

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Solution

The fourth proportional to 9,021.48, 13,529.70 and 3,823.80 is: 5,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.48 : 13,529.70 = 3,823.80 : x
  2. Step 2: Convert to fraction form
    9,021.48/13,529.70 = 3,823.80/x
  3. Step 3: Cross multiply
    9,021.48x = 13,529.70 × 3,823.80
  4. Step 4: Simplify right side
    9,021.48x = 51,734,866.86
  5. Step 5: Solve for x
    x = 51,734,866.86/9,021.48
  6. Step 6: Final answer
    x = 5,734.63

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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.