Home / 7,749.83-11,601.84-5,112.47

Finding the Fourth Proportional to 7,749.83, 11,601.84 and 5,112.47

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Solution

The fourth proportional to 7,749.83, 11,601.84 and 5,112.47 is: 7,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.83 : 11,601.84 = 5,112.47 : x
  2. Step 2: Convert to fraction form
    7,749.83/11,601.84 = 5,112.47/x
  3. Step 3: Cross multiply
    7,749.83x = 11,601.84 × 5,112.47
  4. Step 4: Simplify right side
    7,749.83x = 59,314,058.94
  5. Step 5: Solve for x
    x = 59,314,058.94/7,749.83
  6. Step 6: Final answer
    x = 7,653.59

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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.