Home / 8,625.12-12,938.21-2,703.12

Finding the Fourth Proportional to 8,625.12, 12,938.21 and 2,703.12

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Solution

The fourth proportional to 8,625.12, 12,938.21 and 2,703.12 is: 4,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.12 : 12,938.21 = 2,703.12 : x
  2. Step 2: Convert to fraction form
    8,625.12/12,938.21 = 2,703.12/x
  3. Step 3: Cross multiply
    8,625.12x = 12,938.21 × 2,703.12
  4. Step 4: Simplify right side
    8,625.12x = 34,973,520.70
  5. Step 5: Solve for x
    x = 34,973,520.70/8,625.12
  6. Step 6: Final answer
    x = 4,054.84

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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.