Home / 8,630.36-12,948.26-3,083.58

Finding the Fourth Proportional to 8,630.36, 12,948.26 and 3,083.58

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Solution

The fourth proportional to 8,630.36, 12,948.26 and 3,083.58 is: 4,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.36 : 12,948.26 = 3,083.58 : x
  2. Step 2: Convert to fraction form
    8,630.36/12,948.26 = 3,083.58/x
  3. Step 3: Cross multiply
    8,630.36x = 12,948.26 × 3,083.58
  4. Step 4: Simplify right side
    8,630.36x = 39,926,995.57
  5. Step 5: Solve for x
    x = 39,926,995.57/8,630.36
  6. Step 6: Final answer
    x = 4,626.34

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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.