Home / 4,428.12-6,113-3,431.14

Finding the Fourth Proportional to 4,428.12, 6,113 and 3,431.14

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Solution

The fourth proportional to 4,428.12, 6,113 and 3,431.14 is: 4,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.12 : 6,113 = 3,431.14 : x
  2. Step 2: Convert to fraction form
    4,428.12/6,113 = 3,431.14/x
  3. Step 3: Cross multiply
    4,428.12x = 6,113 × 3,431.14
  4. Step 4: Simplify right side
    4,428.12x = 20,974,558.82
  5. Step 5: Solve for x
    x = 20,974,558.82/4,428.12
  6. Step 6: Final answer
    x = 4,736.67

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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.