Home / 9,027.09-12,449.61-7,760.07

Finding the Fourth Proportional to 9,027.09, 12,449.61 and 7,760.07

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Solution

The fourth proportional to 9,027.09, 12,449.61 and 7,760.07 is: 10,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,027.09 : 12,449.61 = 7,760.07 : x
  2. Step 2: Convert to fraction form
    9,027.09/12,449.61 = 7,760.07/x
  3. Step 3: Cross multiply
    9,027.09x = 12,449.61 × 7,760.07
  4. Step 4: Simplify right side
    9,027.09x = 96,609,845.07
  5. Step 5: Solve for x
    x = 96,609,845.07/9,027.09
  6. Step 6: Final answer
    x = 10,702.21

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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.