Home / 9,389.58-14,084.39-2,815.77

Finding the Fourth Proportional to 9,389.58, 14,084.39 and 2,815.77

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Solution

The fourth proportional to 9,389.58, 14,084.39 and 2,815.77 is: 4,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.58 : 14,084.39 = 2,815.77 : x
  2. Step 2: Convert to fraction form
    9,389.58/14,084.39 = 2,815.77/x
  3. Step 3: Cross multiply
    9,389.58x = 14,084.39 × 2,815.77
  4. Step 4: Simplify right side
    9,389.58x = 39,658,388.75
  5. Step 5: Solve for x
    x = 39,658,388.75/9,389.58
  6. Step 6: Final answer
    x = 4,223.66

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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.