Home / 9,151.93-13,728.48-3,228.09

Finding the Fourth Proportional to 9,151.93, 13,728.48 and 3,228.09

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Solution

The fourth proportional to 9,151.93, 13,728.48 and 3,228.09 is: 4,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.93 : 13,728.48 = 3,228.09 : x
  2. Step 2: Convert to fraction form
    9,151.93/13,728.48 = 3,228.09/x
  3. Step 3: Cross multiply
    9,151.93x = 13,728.48 × 3,228.09
  4. Step 4: Simplify right side
    9,151.93x = 44,316,769.00
  5. Step 5: Solve for x
    x = 44,316,769.00/9,151.93
  6. Step 6: Final answer
    x = 4,842.34

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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.