Home / 6,418.15-9,623.06-4,220.22

Finding the Fourth Proportional to 6,418.15, 9,623.06 and 4,220.22

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Solution

The fourth proportional to 6,418.15, 9,623.06 and 4,220.22 is: 6,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.15 : 9,623.06 = 4,220.22 : x
  2. Step 2: Convert to fraction form
    6,418.15/9,623.06 = 4,220.22/x
  3. Step 3: Cross multiply
    6,418.15x = 9,623.06 × 4,220.22
  4. Step 4: Simplify right side
    6,418.15x = 40,611,430.27
  5. Step 5: Solve for x
    x = 40,611,430.27/6,418.15
  6. Step 6: Final answer
    x = 6,327.59

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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.