Home / 5,556.96-7,664.28-3,318.36

Finding the Fourth Proportional to 5,556.96, 7,664.28 and 3,318.36

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Solution

The fourth proportional to 5,556.96, 7,664.28 and 3,318.36 is: 4,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.96 : 7,664.28 = 3,318.36 : x
  2. Step 2: Convert to fraction form
    5,556.96/7,664.28 = 3,318.36/x
  3. Step 3: Cross multiply
    5,556.96x = 7,664.28 × 3,318.36
  4. Step 4: Simplify right side
    5,556.96x = 25,432,840.18
  5. Step 5: Solve for x
    x = 25,432,840.18/5,556.96
  6. Step 6: Final answer
    x = 4,576.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.