Home / 4,426.77-6,638.61-1,305.95

Finding the Fourth Proportional to 4,426.77, 6,638.61 and 1,305.95

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Solution

The fourth proportional to 4,426.77, 6,638.61 and 1,305.95 is: 1,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426.77 : 6,638.61 = 1,305.95 : x
  2. Step 2: Convert to fraction form
    4,426.77/6,638.61 = 1,305.95/x
  3. Step 3: Cross multiply
    4,426.77x = 6,638.61 × 1,305.95
  4. Step 4: Simplify right side
    4,426.77x = 8,669,699.33
  5. Step 5: Solve for x
    x = 8,669,699.33/4,426.77
  6. Step 6: Final answer
    x = 1,958.47

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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.