Home / 8,669.41-11,963.88-4,690.60

Finding the Fourth Proportional to 8,669.41, 11,963.88 and 4,690.60

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Solution

The fourth proportional to 8,669.41, 11,963.88 and 4,690.60 is: 6,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.41 : 11,963.88 = 4,690.60 : x
  2. Step 2: Convert to fraction form
    8,669.41/11,963.88 = 4,690.60/x
  3. Step 3: Cross multiply
    8,669.41x = 11,963.88 × 4,690.60
  4. Step 4: Simplify right side
    8,669.41x = 56,117,745.62
  5. Step 5: Solve for x
    x = 56,117,745.62/8,669.41
  6. Step 6: Final answer
    x = 6,473.08

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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.