Home / 7,826.82-10,800.45-4,289.46

Finding the Fourth Proportional to 7,826.82, 10,800.45 and 4,289.46

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Solution

The fourth proportional to 7,826.82, 10,800.45 and 4,289.46 is: 5,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.82 : 10,800.45 = 4,289.46 : x
  2. Step 2: Convert to fraction form
    7,826.82/10,800.45 = 4,289.46/x
  3. Step 3: Cross multiply
    7,826.82x = 10,800.45 × 4,289.46
  4. Step 4: Simplify right side
    7,826.82x = 46,328,098.26
  5. Step 5: Solve for x
    x = 46,328,098.26/7,826.82
  6. Step 6: Final answer
    x = 5,919.15

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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.