Home / 9,481.82-13,085.52-6,289.52

Finding the Fourth Proportional to 9,481.82, 13,085.52 and 6,289.52

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Solution

The fourth proportional to 9,481.82, 13,085.52 and 6,289.52 is: 8,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.82 : 13,085.52 = 6,289.52 : x
  2. Step 2: Convert to fraction form
    9,481.82/13,085.52 = 6,289.52/x
  3. Step 3: Cross multiply
    9,481.82x = 13,085.52 × 6,289.52
  4. Step 4: Simplify right side
    9,481.82x = 82,301,639.75
  5. Step 5: Solve for x
    x = 82,301,639.75/9,481.82
  6. Step 6: Final answer
    x = 8,679.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.