Home / 9,220.08-13,828.08-3,672.40

Finding the Fourth Proportional to 9,220.08, 13,828.08 and 3,672.40

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Solution

The fourth proportional to 9,220.08, 13,828.08 and 3,672.40 is: 5,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.08 : 13,828.08 = 3,672.40 : x
  2. Step 2: Convert to fraction form
    9,220.08/13,828.08 = 3,672.40/x
  3. Step 3: Cross multiply
    9,220.08x = 13,828.08 × 3,672.40
  4. Step 4: Simplify right side
    9,220.08x = 50,782,240.99
  5. Step 5: Solve for x
    x = 50,782,240.99/9,220.08
  6. Step 6: Final answer
    x = 5,507.79

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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.