Home / 5,558.39-8,328.35-3,911.48

Finding the Fourth Proportional to 5,558.39, 8,328.35 and 3,911.48

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Solution

The fourth proportional to 5,558.39, 8,328.35 and 3,911.48 is: 5,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.39 : 8,328.35 = 3,911.48 : x
  2. Step 2: Convert to fraction form
    5,558.39/8,328.35 = 3,911.48/x
  3. Step 3: Cross multiply
    5,558.39x = 8,328.35 × 3,911.48
  4. Step 4: Simplify right side
    5,558.39x = 32,576,113.26
  5. Step 5: Solve for x
    x = 32,576,113.26/5,558.39
  6. Step 6: Final answer
    x = 5,860.72

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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.