Home / 9,130.96-13,701.66-3,865.60

Finding the Fourth Proportional to 9,130.96, 13,701.66 and 3,865.60

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Solution

The fourth proportional to 9,130.96, 13,701.66 and 3,865.60 is: 5,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.96 : 13,701.66 = 3,865.60 : x
  2. Step 2: Convert to fraction form
    9,130.96/13,701.66 = 3,865.60/x
  3. Step 3: Cross multiply
    9,130.96x = 13,701.66 × 3,865.60
  4. Step 4: Simplify right side
    9,130.96x = 52,965,136.90
  5. Step 5: Solve for x
    x = 52,965,136.90/9,130.96
  6. Step 6: Final answer
    x = 5,800.61

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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.