Home / 8,684.25-11,984.19-4,907.35

Finding the Fourth Proportional to 8,684.25, 11,984.19 and 4,907.35

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Solution

The fourth proportional to 8,684.25, 11,984.19 and 4,907.35 is: 6,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.25 : 11,984.19 = 4,907.35 : x
  2. Step 2: Convert to fraction form
    8,684.25/11,984.19 = 4,907.35/x
  3. Step 3: Cross multiply
    8,684.25x = 11,984.19 × 4,907.35
  4. Step 4: Simplify right side
    8,684.25x = 58,810,614.80
  5. Step 5: Solve for x
    x = 58,810,614.80/8,684.25
  6. Step 6: Final answer
    x = 6,772.10

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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.