Home / 6,455.94-9,684.81-2,238.72

Finding the Fourth Proportional to 6,455.94, 9,684.81 and 2,238.72

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Solution

The fourth proportional to 6,455.94, 9,684.81 and 2,238.72 is: 3,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.94 : 9,684.81 = 2,238.72 : x
  2. Step 2: Convert to fraction form
    6,455.94/9,684.81 = 2,238.72/x
  3. Step 3: Cross multiply
    6,455.94x = 9,684.81 × 2,238.72
  4. Step 4: Simplify right side
    6,455.94x = 21,681,577.84
  5. Step 5: Solve for x
    x = 21,681,577.84/6,455.94
  6. Step 6: Final answer
    x = 3,358.39

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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.