Home / 6,396.45-8,827.34-3,707.76

Finding the Fourth Proportional to 6,396.45, 8,827.34 and 3,707.76

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Solution

The fourth proportional to 6,396.45, 8,827.34 and 3,707.76 is: 5,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.45 : 8,827.34 = 3,707.76 : x
  2. Step 2: Convert to fraction form
    6,396.45/8,827.34 = 3,707.76/x
  3. Step 3: Cross multiply
    6,396.45x = 8,827.34 × 3,707.76
  4. Step 4: Simplify right side
    6,396.45x = 32,729,629.53
  5. Step 5: Solve for x
    x = 32,729,629.53/6,396.45
  6. Step 6: Final answer
    x = 5,116.84

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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.