Home / 8,683.07-13,021.89-3,135.69

Finding the Fourth Proportional to 8,683.07, 13,021.89 and 3,135.69

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Solution

The fourth proportional to 8,683.07, 13,021.89 and 3,135.69 is: 4,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.07 : 13,021.89 = 3,135.69 : x
  2. Step 2: Convert to fraction form
    8,683.07/13,021.89 = 3,135.69/x
  3. Step 3: Cross multiply
    8,683.07x = 13,021.89 × 3,135.69
  4. Step 4: Simplify right side
    8,683.07x = 40,832,610.25
  5. Step 5: Solve for x
    x = 40,832,610.25/8,683.07
  6. Step 6: Final answer
    x = 4,702.55

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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.