Home / 9,228.90-13,845.78-3,385.56

Finding the Fourth Proportional to 9,228.90, 13,845.78 and 3,385.56

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Solution

The fourth proportional to 9,228.90, 13,845.78 and 3,385.56 is: 5,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.90 : 13,845.78 = 3,385.56 : x
  2. Step 2: Convert to fraction form
    9,228.90/13,845.78 = 3,385.56/x
  3. Step 3: Cross multiply
    9,228.90x = 13,845.78 × 3,385.56
  4. Step 4: Simplify right side
    9,228.90x = 46,875,718.94
  5. Step 5: Solve for x
    x = 46,875,718.94/9,228.90
  6. Step 6: Final answer
    x = 5,079.23

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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.