Home / 9,005.52-13,500.06-3,158.94

Finding the Fourth Proportional to 9,005.52, 13,500.06 and 3,158.94

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Solution

The fourth proportional to 9,005.52, 13,500.06 and 3,158.94 is: 4,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.52 : 13,500.06 = 3,158.94 : x
  2. Step 2: Convert to fraction form
    9,005.52/13,500.06 = 3,158.94/x
  3. Step 3: Cross multiply
    9,005.52x = 13,500.06 × 3,158.94
  4. Step 4: Simplify right side
    9,005.52x = 42,645,879.54
  5. Step 5: Solve for x
    x = 42,645,879.54/9,005.52
  6. Step 6: Final answer
    x = 4,735.53

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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.