Home / 7,918.56-11,858.40-5,446.44

Finding the Fourth Proportional to 7,918.56, 11,858.40 and 5,446.44

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Solution

The fourth proportional to 7,918.56, 11,858.40 and 5,446.44 is: 8,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.56 : 11,858.40 = 5,446.44 : x
  2. Step 2: Convert to fraction form
    7,918.56/11,858.40 = 5,446.44/x
  3. Step 3: Cross multiply
    7,918.56x = 11,858.40 × 5,446.44
  4. Step 4: Simplify right side
    7,918.56x = 64,586,064.10
  5. Step 5: Solve for x
    x = 64,586,064.10/7,918.56
  6. Step 6: Final answer
    x = 8,156.29

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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.