Home / 8,386.94-12,577.48-2,838.65

Finding the Fourth Proportional to 8,386.94, 12,577.48 and 2,838.65

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Solution

The fourth proportional to 8,386.94, 12,577.48 and 2,838.65 is: 4,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.94 : 12,577.48 = 2,838.65 : x
  2. Step 2: Convert to fraction form
    8,386.94/12,577.48 = 2,838.65/x
  3. Step 3: Cross multiply
    8,386.94x = 12,577.48 × 2,838.65
  4. Step 4: Simplify right side
    8,386.94x = 35,702,993.62
  5. Step 5: Solve for x
    x = 35,702,993.62/8,386.94
  6. Step 6: Final answer
    x = 4,256.97

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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.