Home / 9,389.08-14,083.64-2,815.28

Finding the Fourth Proportional to 9,389.08, 14,083.64 and 2,815.28

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Solution

The fourth proportional to 9,389.08, 14,083.64 and 2,815.28 is: 4,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.08 : 14,083.64 = 2,815.28 : x
  2. Step 2: Convert to fraction form
    9,389.08/14,083.64 = 2,815.28/x
  3. Step 3: Cross multiply
    9,389.08x = 14,083.64 × 2,815.28
  4. Step 4: Simplify right side
    9,389.08x = 39,649,390.02
  5. Step 5: Solve for x
    x = 39,649,390.02/9,389.08
  6. Step 6: Final answer
    x = 4,222.93

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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.