Home / 6,887.76-10,330.08-1,957.28

Finding the Fourth Proportional to 6,887.76, 10,330.08 and 1,957.28

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Solution

The fourth proportional to 6,887.76, 10,330.08 and 1,957.28 is: 2,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.76 : 10,330.08 = 1,957.28 : x
  2. Step 2: Convert to fraction form
    6,887.76/10,330.08 = 1,957.28/x
  3. Step 3: Cross multiply
    6,887.76x = 10,330.08 × 1,957.28
  4. Step 4: Simplify right side
    6,887.76x = 20,218,858.98
  5. Step 5: Solve for x
    x = 20,218,858.98/6,887.76
  6. Step 6: Final answer
    x = 2,935.48

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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.