Home / 4,455.81-6,683.31-1,992.60

Finding the Fourth Proportional to 4,455.81, 6,683.31 and 1,992.60

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Solution

The fourth proportional to 4,455.81, 6,683.31 and 1,992.60 is: 2,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.81 : 6,683.31 = 1,992.60 : x
  2. Step 2: Convert to fraction form
    4,455.81/6,683.31 = 1,992.60/x
  3. Step 3: Cross multiply
    4,455.81x = 6,683.31 × 1,992.60
  4. Step 4: Simplify right side
    4,455.81x = 13,317,163.51
  5. Step 5: Solve for x
    x = 13,317,163.51/4,455.81
  6. Step 6: Final answer
    x = 2,988.72

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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.