Home / 8,319.66-11,481.13-4,783.56

Finding the Fourth Proportional to 8,319.66, 11,481.13 and 4,783.56

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Solution

The fourth proportional to 8,319.66, 11,481.13 and 4,783.56 is: 6,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.66 : 11,481.13 = 4,783.56 : x
  2. Step 2: Convert to fraction form
    8,319.66/11,481.13 = 4,783.56/x
  3. Step 3: Cross multiply
    8,319.66x = 11,481.13 × 4,783.56
  4. Step 4: Simplify right side
    8,319.66x = 54,920,674.22
  5. Step 5: Solve for x
    x = 54,920,674.22/8,319.66
  6. Step 6: Final answer
    x = 6,601.31

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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.