Home / 7,803.48-10,768.71-4,266.60

Finding the Fourth Proportional to 7,803.48, 10,768.71 and 4,266.60

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Solution

The fourth proportional to 7,803.48, 10,768.71 and 4,266.60 is: 5,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.48 : 10,768.71 = 4,266.60 : x
  2. Step 2: Convert to fraction form
    7,803.48/10,768.71 = 4,266.60/x
  3. Step 3: Cross multiply
    7,803.48x = 10,768.71 × 4,266.60
  4. Step 4: Simplify right side
    7,803.48x = 45,945,778.09
  5. Step 5: Solve for x
    x = 45,945,778.09/7,803.48
  6. Step 6: Final answer
    x = 5,887.86

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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.