Home / 6,418.83-8,857.21-3,586.36

Finding the Fourth Proportional to 6,418.83, 8,857.21 and 3,586.36

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Solution

The fourth proportional to 6,418.83, 8,857.21 and 3,586.36 is: 4,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.83 : 8,857.21 = 3,586.36 : x
  2. Step 2: Convert to fraction form
    6,418.83/8,857.21 = 3,586.36/x
  3. Step 3: Cross multiply
    6,418.83x = 8,857.21 × 3,586.36
  4. Step 4: Simplify right side
    6,418.83x = 31,765,143.66
  5. Step 5: Solve for x
    x = 31,765,143.66/6,418.83
  6. Step 6: Final answer
    x = 4,948.74

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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.