Home / 7,788.74-10,745.37-4,955.36

Finding the Fourth Proportional to 7,788.74, 10,745.37 and 4,955.36

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Solution

The fourth proportional to 7,788.74, 10,745.37 and 4,955.36 is: 6,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.74 : 10,745.37 = 4,955.36 : x
  2. Step 2: Convert to fraction form
    7,788.74/10,745.37 = 4,955.36/x
  3. Step 3: Cross multiply
    7,788.74x = 10,745.37 × 4,955.36
  4. Step 4: Simplify right side
    7,788.74x = 53,247,122.96
  5. Step 5: Solve for x
    x = 53,247,122.96/7,788.74
  6. Step 6: Final answer
    x = 6,836.43

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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.