Home / 6,427.22-8,863.63-4,935.20

Finding the Fourth Proportional to 6,427.22, 8,863.63 and 4,935.20

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Solution

The fourth proportional to 6,427.22, 8,863.63 and 4,935.20 is: 6,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.22 : 8,863.63 = 4,935.20 : x
  2. Step 2: Convert to fraction form
    6,427.22/8,863.63 = 4,935.20/x
  3. Step 3: Cross multiply
    6,427.22x = 8,863.63 × 4,935.20
  4. Step 4: Simplify right side
    6,427.22x = 43,743,730.12
  5. Step 5: Solve for x
    x = 43,743,730.12/6,427.22
  6. Step 6: Final answer
    x = 6,806.02

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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.