Home / 7,087.26-9,778.46-4,102.52

Finding the Fourth Proportional to 7,087.26, 9,778.46 and 4,102.52

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Solution

The fourth proportional to 7,087.26, 9,778.46 and 4,102.52 is: 5,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.26 : 9,778.46 = 4,102.52 : x
  2. Step 2: Convert to fraction form
    7,087.26/9,778.46 = 4,102.52/x
  3. Step 3: Cross multiply
    7,087.26x = 9,778.46 × 4,102.52
  4. Step 4: Simplify right side
    7,087.26x = 40,116,327.72
  5. Step 5: Solve for x
    x = 40,116,327.72/7,087.26
  6. Step 6: Final answer
    x = 5,660.34

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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.