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Finding the Fourth Proportional to 6,469.58, 8,907.55 and 5,878.35

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Solution

The fourth proportional to 6,469.58, 8,907.55 and 5,878.35 is: 8,093.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.58 : 8,907.55 = 5,878.35 : x
  2. Step 2: Convert to fraction form
    6,469.58/8,907.55 = 5,878.35/x
  3. Step 3: Cross multiply
    6,469.58x = 8,907.55 × 5,878.35
  4. Step 4: Simplify right side
    6,469.58x = 52,361,696.54
  5. Step 5: Solve for x
    x = 52,361,696.54/6,469.58
  6. Step 6: Final answer
    x = 8,093.52

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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.