Home / 7,946.51-11,919.56-3,789.45

Finding the Fourth Proportional to 7,946.51, 11,919.56 and 3,789.45

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Solution

The fourth proportional to 7,946.51, 11,919.56 and 3,789.45 is: 5,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.51 : 11,919.56 = 3,789.45 : x
  2. Step 2: Convert to fraction form
    7,946.51/11,919.56 = 3,789.45/x
  3. Step 3: Cross multiply
    7,946.51x = 11,919.56 × 3,789.45
  4. Step 4: Simplify right side
    7,946.51x = 45,168,557.69
  5. Step 5: Solve for x
    x = 45,168,557.69/7,946.51
  6. Step 6: Final answer
    x = 5,684.08

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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.