Home / 6,806.20-9,390.18-4,288.54

Finding the Fourth Proportional to 6,806.20, 9,390.18 and 4,288.54

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Solution

The fourth proportional to 6,806.20, 9,390.18 and 4,288.54 is: 5,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.20 : 9,390.18 = 4,288.54 : x
  2. Step 2: Convert to fraction form
    6,806.20/9,390.18 = 4,288.54/x
  3. Step 3: Cross multiply
    6,806.20x = 9,390.18 × 4,288.54
  4. Step 4: Simplify right side
    6,806.20x = 40,270,162.54
  5. Step 5: Solve for x
    x = 40,270,162.54/6,806.20
  6. Step 6: Final answer
    x = 5,916.69

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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.