Home / 7,078.28-10,616.70-1,884.68

Finding the Fourth Proportional to 7,078.28, 10,616.70 and 1,884.68

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Solution

The fourth proportional to 7,078.28, 10,616.70 and 1,884.68 is: 2,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.28 : 10,616.70 = 1,884.68 : x
  2. Step 2: Convert to fraction form
    7,078.28/10,616.70 = 1,884.68/x
  3. Step 3: Cross multiply
    7,078.28x = 10,616.70 × 1,884.68
  4. Step 4: Simplify right side
    7,078.28x = 20,009,082.16
  5. Step 5: Solve for x
    x = 20,009,082.16/7,078.28
  6. Step 6: Final answer
    x = 2,826.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.