Home / 6,431.22-8,873.64-4,071.98

Finding the Fourth Proportional to 6,431.22, 8,873.64 and 4,071.98

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Solution

The fourth proportional to 6,431.22, 8,873.64 and 4,071.98 is: 5,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.22 : 8,873.64 = 4,071.98 : x
  2. Step 2: Convert to fraction form
    6,431.22/8,873.64 = 4,071.98/x
  3. Step 3: Cross multiply
    6,431.22x = 8,873.64 × 4,071.98
  4. Step 4: Simplify right side
    6,431.22x = 36,133,284.61
  5. Step 5: Solve for x
    x = 36,133,284.61/6,431.22
  6. Step 6: Final answer
    x = 5,618.42

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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.