Home / 8,219.98-11,343.34-4,634.90

Finding the Fourth Proportional to 8,219.98, 11,343.34 and 4,634.90

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Solution

The fourth proportional to 8,219.98, 11,343.34 and 4,634.90 is: 6,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.98 : 11,343.34 = 4,634.90 : x
  2. Step 2: Convert to fraction form
    8,219.98/11,343.34 = 4,634.90/x
  3. Step 3: Cross multiply
    8,219.98x = 11,343.34 × 4,634.90
  4. Step 4: Simplify right side
    8,219.98x = 52,575,223.39
  5. Step 5: Solve for x
    x = 52,575,223.39/8,219.98
  6. Step 6: Final answer
    x = 6,396.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.