Home / 7,789.68-11,685.69-2,594.34

Finding the Fourth Proportional to 7,789.68, 11,685.69 and 2,594.34

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Solution

The fourth proportional to 7,789.68, 11,685.69 and 2,594.34 is: 3,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.68 : 11,685.69 = 2,594.34 : x
  2. Step 2: Convert to fraction form
    7,789.68/11,685.69 = 2,594.34/x
  3. Step 3: Cross multiply
    7,789.68x = 11,685.69 × 2,594.34
  4. Step 4: Simplify right side
    7,789.68x = 30,316,652.99
  5. Step 5: Solve for x
    x = 30,316,652.99/7,789.68
  6. Step 6: Final answer
    x = 3,891.90

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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.