Home / 8,356.23-12,521.16-3,083.99

Finding the Fourth Proportional to 8,356.23, 12,521.16 and 3,083.99

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Solution

The fourth proportional to 8,356.23, 12,521.16 and 3,083.99 is: 4,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.23 : 12,521.16 = 3,083.99 : x
  2. Step 2: Convert to fraction form
    8,356.23/12,521.16 = 3,083.99/x
  3. Step 3: Cross multiply
    8,356.23x = 12,521.16 × 3,083.99
  4. Step 4: Simplify right side
    8,356.23x = 38,615,069.62
  5. Step 5: Solve for x
    x = 38,615,069.62/8,356.23
  6. Step 6: Final answer
    x = 4,621.11

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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.