Home / 8,215.54-12,323.04-2,372.74

Finding the Fourth Proportional to 8,215.54, 12,323.04 and 2,372.74

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Solution

The fourth proportional to 8,215.54, 12,323.04 and 2,372.74 is: 3,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.54 : 12,323.04 = 2,372.74 : x
  2. Step 2: Convert to fraction form
    8,215.54/12,323.04 = 2,372.74/x
  3. Step 3: Cross multiply
    8,215.54x = 12,323.04 × 2,372.74
  4. Step 4: Simplify right side
    8,215.54x = 29,239,369.93
  5. Step 5: Solve for x
    x = 29,239,369.93/8,215.54
  6. Step 6: Final answer
    x = 3,559.03

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1.5x scale

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.