Home / 8,271.81-12,405.08-2,723.92

Finding the Fourth Proportional to 8,271.81, 12,405.08 and 2,723.92

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Solution

The fourth proportional to 8,271.81, 12,405.08 and 2,723.92 is: 4,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.81 : 12,405.08 = 2,723.92 : x
  2. Step 2: Convert to fraction form
    8,271.81/12,405.08 = 2,723.92/x
  3. Step 3: Cross multiply
    8,271.81x = 12,405.08 × 2,723.92
  4. Step 4: Simplify right side
    8,271.81x = 33,790,445.51
  5. Step 5: Solve for x
    x = 33,790,445.51/8,271.81
  6. Step 6: Final answer
    x = 4,085.01

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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.