Home / 9,169.54-13,749.12-2,928.08

Finding the Fourth Proportional to 9,169.54, 13,749.12 and 2,928.08

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Solution

The fourth proportional to 9,169.54, 13,749.12 and 2,928.08 is: 4,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.54 : 13,749.12 = 2,928.08 : x
  2. Step 2: Convert to fraction form
    9,169.54/13,749.12 = 2,928.08/x
  3. Step 3: Cross multiply
    9,169.54x = 13,749.12 × 2,928.08
  4. Step 4: Simplify right side
    9,169.54x = 40,258,523.29
  5. Step 5: Solve for x
    x = 40,258,523.29/9,169.54
  6. Step 6: Final answer
    x = 4,390.46

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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.