Home / 4,426-6,638.54-2,777.66

Finding the Fourth Proportional to 4,426, 6,638.54 and 2,777.66

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Solution

The fourth proportional to 4,426, 6,638.54 and 2,777.66 is: 4,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,426 : 6,638.54 = 2,777.66 : x
  2. Step 2: Convert to fraction form
    4,426/6,638.54 = 2,777.66/x
  3. Step 3: Cross multiply
    4,426x = 6,638.54 × 2,777.66
  4. Step 4: Simplify right side
    4,426x = 18,439,607.02
  5. Step 5: Solve for x
    x = 18,439,607.02/4,426
  6. Step 6: Final answer
    x = 4,166.20

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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.