Home / 8,348.63-12,522.89-3,418.26

Finding the Fourth Proportional to 8,348.63, 12,522.89 and 3,418.26

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Solution

The fourth proportional to 8,348.63, 12,522.89 and 3,418.26 is: 5,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.63 : 12,522.89 = 3,418.26 : x
  2. Step 2: Convert to fraction form
    8,348.63/12,522.89 = 3,418.26/x
  3. Step 3: Cross multiply
    8,348.63x = 12,522.89 × 3,418.26
  4. Step 4: Simplify right side
    8,348.63x = 42,806,476.88
  5. Step 5: Solve for x
    x = 42,806,476.88/8,348.63
  6. Step 6: Final answer
    x = 5,127.37

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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.