Home / 9,219.72-13,828.49-2,556.71

Finding the Fourth Proportional to 9,219.72, 13,828.49 and 2,556.71

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Solution

The fourth proportional to 9,219.72, 13,828.49 and 2,556.71 is: 3,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.72 : 13,828.49 = 2,556.71 : x
  2. Step 2: Convert to fraction form
    9,219.72/13,828.49 = 2,556.71/x
  3. Step 3: Cross multiply
    9,219.72x = 13,828.49 × 2,556.71
  4. Step 4: Simplify right side
    9,219.72x = 35,355,438.67
  5. Step 5: Solve for x
    x = 35,355,438.67/9,219.72
  6. Step 6: Final answer
    x = 3,834.76

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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.