Home / 6,419.39-8,858.66-3,586.82

Finding the Fourth Proportional to 6,419.39, 8,858.66 and 3,586.82

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Solution

The fourth proportional to 6,419.39, 8,858.66 and 3,586.82 is: 4,949.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.39 : 8,858.66 = 3,586.82 : x
  2. Step 2: Convert to fraction form
    6,419.39/8,858.66 = 3,586.82/x
  3. Step 3: Cross multiply
    6,419.39x = 8,858.66 × 3,586.82
  4. Step 4: Simplify right side
    6,419.39x = 31,774,383.53
  5. Step 5: Solve for x
    x = 31,774,383.53/6,419.39
  6. Step 6: Final answer
    x = 4,949.76

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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.