Home / 7,826.10-10,799.94-4,289.29

Finding the Fourth Proportional to 7,826.10, 10,799.94 and 4,289.29

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Solution

The fourth proportional to 7,826.10, 10,799.94 and 4,289.29 is: 5,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.10 : 10,799.94 = 4,289.29 : x
  2. Step 2: Convert to fraction form
    7,826.10/10,799.94 = 4,289.29/x
  3. Step 3: Cross multiply
    7,826.10x = 10,799.94 × 4,289.29
  4. Step 4: Simplify right side
    7,826.10x = 46,324,074.64
  5. Step 5: Solve for x
    x = 46,324,074.64/7,826.10
  6. Step 6: Final answer
    x = 5,919.18

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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.