Home / 6,789.12-10,184.38-1,858.76

Finding the Fourth Proportional to 6,789.12, 10,184.38 and 1,858.76

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Solution

The fourth proportional to 6,789.12, 10,184.38 and 1,858.76 is: 2,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.12 : 10,184.38 = 1,858.76 : x
  2. Step 2: Convert to fraction form
    6,789.12/10,184.38 = 1,858.76/x
  3. Step 3: Cross multiply
    6,789.12x = 10,184.38 × 1,858.76
  4. Step 4: Simplify right side
    6,789.12x = 18,930,267.25
  5. Step 5: Solve for x
    x = 18,930,267.25/6,789.12
  6. Step 6: Final answer
    x = 2,788.33

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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.