Home / 6,455.38-9,684.30-2,560.09

Finding the Fourth Proportional to 6,455.38, 9,684.30 and 2,560.09

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Solution

The fourth proportional to 6,455.38, 9,684.30 and 2,560.09 is: 3,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.38 : 9,684.30 = 2,560.09 : x
  2. Step 2: Convert to fraction form
    6,455.38/9,684.30 = 2,560.09/x
  3. Step 3: Cross multiply
    6,455.38x = 9,684.30 × 2,560.09
  4. Step 4: Simplify right side
    6,455.38x = 24,792,679.59
  5. Step 5: Solve for x
    x = 24,792,679.59/6,455.38
  6. Step 6: Final answer
    x = 3,840.62

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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.