Home / 7,211.26-10,810.30-2,528.72

Finding the Fourth Proportional to 7,211.26, 10,810.30 and 2,528.72

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Solution

The fourth proportional to 7,211.26, 10,810.30 and 2,528.72 is: 3,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.26 : 10,810.30 = 2,528.72 : x
  2. Step 2: Convert to fraction form
    7,211.26/10,810.30 = 2,528.72/x
  3. Step 3: Cross multiply
    7,211.26x = 10,810.30 × 2,528.72
  4. Step 4: Simplify right side
    7,211.26x = 27,336,221.82
  5. Step 5: Solve for x
    x = 27,336,221.82/7,211.26
  6. Step 6: Final answer
    x = 3,790.77

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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.