Home / 4,291.41-6,438.06-1,828.35

Finding the Fourth Proportional to 4,291.41, 6,438.06 and 1,828.35

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Solution

The fourth proportional to 4,291.41, 6,438.06 and 1,828.35 is: 2,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.41 : 6,438.06 = 1,828.35 : x
  2. Step 2: Convert to fraction form
    4,291.41/6,438.06 = 1,828.35/x
  3. Step 3: Cross multiply
    4,291.41x = 6,438.06 × 1,828.35
  4. Step 4: Simplify right side
    4,291.41x = 11,771,027.00
  5. Step 5: Solve for x
    x = 11,771,027.00/4,291.41
  6. Step 6: Final answer
    x = 2,742.93

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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.