Home / 8,069.84-11,144.64-5,558.48

Finding the Fourth Proportional to 8,069.84, 11,144.64 and 5,558.48

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Solution

The fourth proportional to 8,069.84, 11,144.64 and 5,558.48 is: 7,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.84 : 11,144.64 = 5,558.48 : x
  2. Step 2: Convert to fraction form
    8,069.84/11,144.64 = 5,558.48/x
  3. Step 3: Cross multiply
    8,069.84x = 11,144.64 × 5,558.48
  4. Step 4: Simplify right side
    8,069.84x = 61,947,258.55
  5. Step 5: Solve for x
    x = 61,947,258.55/8,069.84
  6. Step 6: Final answer
    x = 7,676.39

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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.