Home / 6,321.93-8,722.37-4,081.76

Finding the Fourth Proportional to 6,321.93, 8,722.37 and 4,081.76

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Solution

The fourth proportional to 6,321.93, 8,722.37 and 4,081.76 is: 5,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.93 : 8,722.37 = 4,081.76 : x
  2. Step 2: Convert to fraction form
    6,321.93/8,722.37 = 4,081.76/x
  3. Step 3: Cross multiply
    6,321.93x = 8,722.37 × 4,081.76
  4. Step 4: Simplify right side
    6,321.93x = 35,602,577.36
  5. Step 5: Solve for x
    x = 35,602,577.36/6,321.93
  6. Step 6: Final answer
    x = 5,631.60

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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.