Home / 4,428.21-6,111-2,438.75

Finding the Fourth Proportional to 4,428.21, 6,111 and 2,438.75

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Solution

The fourth proportional to 4,428.21, 6,111 and 2,438.75 is: 3,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.21 : 6,111 = 2,438.75 : x
  2. Step 2: Convert to fraction form
    4,428.21/6,111 = 2,438.75/x
  3. Step 3: Cross multiply
    4,428.21x = 6,111 × 2,438.75
  4. Step 4: Simplify right side
    4,428.21x = 14,903,170.70
  5. Step 5: Solve for x
    x = 14,903,170.70/4,428.21
  6. Step 6: Final answer
    x = 3,365.51

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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.