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Finding the Fourth Proportional to 8,323.53, 12,486.21 and 2,777.25

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Solution

The fourth proportional to 8,323.53, 12,486.21 and 2,777.25 is: 4,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.53 : 12,486.21 = 2,777.25 : x
  2. Step 2: Convert to fraction form
    8,323.53/12,486.21 = 2,777.25/x
  3. Step 3: Cross multiply
    8,323.53x = 12,486.21 × 2,777.25
  4. Step 4: Simplify right side
    8,323.53x = 34,677,326.72
  5. Step 5: Solve for x
    x = 34,677,326.72/8,323.53
  6. Step 6: Final answer
    x = 4,166.18

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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.