Home / 8,789.37-13,181.31-4,627.05

Finding the Fourth Proportional to 8,789.37, 13,181.31 and 4,627.05

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Solution

The fourth proportional to 8,789.37, 13,181.31 and 4,627.05 is: 6,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.37 : 13,181.31 = 4,627.05 : x
  2. Step 2: Convert to fraction form
    8,789.37/13,181.31 = 4,627.05/x
  3. Step 3: Cross multiply
    8,789.37x = 13,181.31 × 4,627.05
  4. Step 4: Simplify right side
    8,789.37x = 60,990,580.44
  5. Step 5: Solve for x
    x = 60,990,580.44/8,789.37
  6. Step 6: Final answer
    x = 6,939.13

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1.5x scale

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.