Home / 8,458.02-12,683.39-3,260.25

Finding the Fourth Proportional to 8,458.02, 12,683.39 and 3,260.25

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Solution

The fourth proportional to 8,458.02, 12,683.39 and 3,260.25 is: 4,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.02 : 12,683.39 = 3,260.25 : x
  2. Step 2: Convert to fraction form
    8,458.02/12,683.39 = 3,260.25/x
  3. Step 3: Cross multiply
    8,458.02x = 12,683.39 × 3,260.25
  4. Step 4: Simplify right side
    8,458.02x = 41,351,005.95
  5. Step 5: Solve for x
    x = 41,351,005.95/8,458.02
  6. Step 6: Final answer
    x = 4,888.97

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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.