Home / 7,883.56-11,822.46-2,617.62

Finding the Fourth Proportional to 7,883.56, 11,822.46 and 2,617.62

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Solution

The fourth proportional to 7,883.56, 11,822.46 and 2,617.62 is: 3,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.56 : 11,822.46 = 2,617.62 : x
  2. Step 2: Convert to fraction form
    7,883.56/11,822.46 = 2,617.62/x
  3. Step 3: Cross multiply
    7,883.56x = 11,822.46 × 2,617.62
  4. Step 4: Simplify right side
    7,883.56x = 30,946,653.59
  5. Step 5: Solve for x
    x = 30,946,653.59/7,883.56
  6. Step 6: Final answer
    x = 3,925.47

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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.