Home / 7,394.81-11,090.49-3,443.60

Finding the Fourth Proportional to 7,394.81, 11,090.49 and 3,443.60

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Solution

The fourth proportional to 7,394.81, 11,090.49 and 3,443.60 is: 5,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.81 : 11,090.49 = 3,443.60 : x
  2. Step 2: Convert to fraction form
    7,394.81/11,090.49 = 3,443.60/x
  3. Step 3: Cross multiply
    7,394.81x = 11,090.49 × 3,443.60
  4. Step 4: Simplify right side
    7,394.81x = 38,191,211.36
  5. Step 5: Solve for x
    x = 38,191,211.36/7,394.81
  6. Step 6: Final answer
    x = 5,164.60

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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.