Home / 6,455.70-9,682.74-2,073.60

Finding the Fourth Proportional to 6,455.70, 9,682.74 and 2,073.60

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Solution

The fourth proportional to 6,455.70, 9,682.74 and 2,073.60 is: 3,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.70 : 9,682.74 = 2,073.60 : x
  2. Step 2: Convert to fraction form
    6,455.70/9,682.74 = 2,073.60/x
  3. Step 3: Cross multiply
    6,455.70x = 9,682.74 × 2,073.60
  4. Step 4: Simplify right side
    6,455.70x = 20,078,129.66
  5. Step 5: Solve for x
    x = 20,078,129.66/6,455.70
  6. Step 6: Final answer
    x = 3,110.14

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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.