Home / 7,806.05-10,772.35-4,269.27

Finding the Fourth Proportional to 7,806.05, 10,772.35 and 4,269.27

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Solution

The fourth proportional to 7,806.05, 10,772.35 and 4,269.27 is: 5,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806.05 : 10,772.35 = 4,269.27 : x
  2. Step 2: Convert to fraction form
    7,806.05/10,772.35 = 4,269.27/x
  3. Step 3: Cross multiply
    7,806.05x = 10,772.35 × 4,269.27
  4. Step 4: Simplify right side
    7,806.05x = 45,990,043.63
  5. Step 5: Solve for x
    x = 45,990,043.63/7,806.05
  6. Step 6: Final answer
    x = 5,891.59

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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.