Home / 8,055.68-12,082.08-2,790.72

Finding the Fourth Proportional to 8,055.68, 12,082.08 and 2,790.72

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Solution

The fourth proportional to 8,055.68, 12,082.08 and 2,790.72 is: 4,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.68 : 12,082.08 = 2,790.72 : x
  2. Step 2: Convert to fraction form
    8,055.68/12,082.08 = 2,790.72/x
  3. Step 3: Cross multiply
    8,055.68x = 12,082.08 × 2,790.72
  4. Step 4: Simplify right side
    8,055.68x = 33,717,702.30
  5. Step 5: Solve for x
    x = 33,717,702.30/8,055.68
  6. Step 6: Final answer
    x = 4,185.58

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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.