Home / 7,078.92-10,618.26-1,885.08

Finding the Fourth Proportional to 7,078.92, 10,618.26 and 1,885.08

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Solution

The fourth proportional to 7,078.92, 10,618.26 and 1,885.08 is: 2,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.92 : 10,618.26 = 1,885.08 : x
  2. Step 2: Convert to fraction form
    7,078.92/10,618.26 = 1,885.08/x
  3. Step 3: Cross multiply
    7,078.92x = 10,618.26 × 1,885.08
  4. Step 4: Simplify right side
    7,078.92x = 20,016,269.56
  5. Step 5: Solve for x
    x = 20,016,269.56/7,078.92
  6. Step 6: Final answer
    x = 2,827.59

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1.5x scale

Why These Related Problems?

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