Home / 7,957.08-11,935.80-2,114.28

Finding the Fourth Proportional to 7,957.08, 11,935.80 and 2,114.28

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Solution

The fourth proportional to 7,957.08, 11,935.80 and 2,114.28 is: 3,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.08 : 11,935.80 = 2,114.28 : x
  2. Step 2: Convert to fraction form
    7,957.08/11,935.80 = 2,114.28/x
  3. Step 3: Cross multiply
    7,957.08x = 11,935.80 × 2,114.28
  4. Step 4: Simplify right side
    7,957.08x = 25,235,623.22
  5. Step 5: Solve for x
    x = 25,235,623.22/7,957.08
  6. Step 6: Final answer
    x = 3,171.47

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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.