Home / 7,321.05-10,102.41-4,336.35

Finding the Fourth Proportional to 7,321.05, 10,102.41 and 4,336.35

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Solution

The fourth proportional to 7,321.05, 10,102.41 and 4,336.35 is: 5,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.05 : 10,102.41 = 4,336.35 : x
  2. Step 2: Convert to fraction form
    7,321.05/10,102.41 = 4,336.35/x
  3. Step 3: Cross multiply
    7,321.05x = 10,102.41 × 4,336.35
  4. Step 4: Simplify right side
    7,321.05x = 43,807,585.60
  5. Step 5: Solve for x
    x = 43,807,585.60/7,321.05
  6. Step 6: Final answer
    x = 5,983.78

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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.