Home / 6,136.85-8,466.28-3,777.63

Finding the Fourth Proportional to 6,136.85, 8,466.28 and 3,777.63

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Solution

The fourth proportional to 6,136.85, 8,466.28 and 3,777.63 is: 5,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.85 : 8,466.28 = 3,777.63 : x
  2. Step 2: Convert to fraction form
    6,136.85/8,466.28 = 3,777.63/x
  3. Step 3: Cross multiply
    6,136.85x = 8,466.28 × 3,777.63
  4. Step 4: Simplify right side
    6,136.85x = 31,982,473.32
  5. Step 5: Solve for x
    x = 31,982,473.32/6,136.85
  6. Step 6: Final answer
    x = 5,211.55

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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.