Home / 8,271.90-12,409.55-2,725.57

Finding the Fourth Proportional to 8,271.90, 12,409.55 and 2,725.57

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Solution

The fourth proportional to 8,271.90, 12,409.55 and 2,725.57 is: 4,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.90 : 12,409.55 = 2,725.57 : x
  2. Step 2: Convert to fraction form
    8,271.90/12,409.55 = 2,725.57/x
  3. Step 3: Cross multiply
    8,271.90x = 12,409.55 × 2,725.57
  4. Step 4: Simplify right side
    8,271.90x = 33,823,097.19
  5. Step 5: Solve for x
    x = 33,823,097.19/8,271.90
  6. Step 6: Final answer
    x = 4,088.92

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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.