Home / 8,683.58-13,017.56-3,135.62

Finding the Fourth Proportional to 8,683.58, 13,017.56 and 3,135.62

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Solution

The fourth proportional to 8,683.58, 13,017.56 and 3,135.62 is: 4,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.58 : 13,017.56 = 3,135.62 : x
  2. Step 2: Convert to fraction form
    8,683.58/13,017.56 = 3,135.62/x
  3. Step 3: Cross multiply
    8,683.58x = 13,017.56 × 3,135.62
  4. Step 4: Simplify right side
    8,683.58x = 40,818,121.49
  5. Step 5: Solve for x
    x = 40,818,121.49/8,683.58
  6. Step 6: Final answer
    x = 4,700.61

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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.