Home / 7,789.41-10,747.74-4,955.75

Finding the Fourth Proportional to 7,789.41, 10,747.74 and 4,955.75

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Solution

The fourth proportional to 7,789.41, 10,747.74 and 4,955.75 is: 6,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.41 : 10,747.74 = 4,955.75 : x
  2. Step 2: Convert to fraction form
    7,789.41/10,747.74 = 4,955.75/x
  3. Step 3: Cross multiply
    7,789.41x = 10,747.74 × 4,955.75
  4. Step 4: Simplify right side
    7,789.41x = 53,263,112.51
  5. Step 5: Solve for x
    x = 53,263,112.51/7,789.41
  6. Step 6: Final answer
    x = 6,837.89

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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.