Home / 7,869.35-11,794.30-4,739.51

Finding the Fourth Proportional to 7,869.35, 11,794.30 and 4,739.51

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Solution

The fourth proportional to 7,869.35, 11,794.30 and 4,739.51 is: 7,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.35 : 11,794.30 = 4,739.51 : x
  2. Step 2: Convert to fraction form
    7,869.35/11,794.30 = 4,739.51/x
  3. Step 3: Cross multiply
    7,869.35x = 11,794.30 × 4,739.51
  4. Step 4: Simplify right side
    7,869.35x = 55,899,202.79
  5. Step 5: Solve for x
    x = 55,899,202.79/7,869.35
  6. Step 6: Final answer
    x = 7,103.41

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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.