Home / 7,827.52-11,741.73-1,984.18

Finding the Fourth Proportional to 7,827.52, 11,741.73 and 1,984.18

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Solution

The fourth proportional to 7,827.52, 11,741.73 and 1,984.18 is: 2,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.52 : 11,741.73 = 1,984.18 : x
  2. Step 2: Convert to fraction form
    7,827.52/11,741.73 = 1,984.18/x
  3. Step 3: Cross multiply
    7,827.52x = 11,741.73 × 1,984.18
  4. Step 4: Simplify right side
    7,827.52x = 23,297,705.83
  5. Step 5: Solve for x
    x = 23,297,705.83/7,827.52
  6. Step 6: Final answer
    x = 2,976.38

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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.