Home / 5,905.95-8,145.37-4,310.81

Finding the Fourth Proportional to 5,905.95, 8,145.37 and 4,310.81

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Solution

The fourth proportional to 5,905.95, 8,145.37 and 4,310.81 is: 5,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.95 : 8,145.37 = 4,310.81 : x
  2. Step 2: Convert to fraction form
    5,905.95/8,145.37 = 4,310.81/x
  3. Step 3: Cross multiply
    5,905.95x = 8,145.37 × 4,310.81
  4. Step 4: Simplify right side
    5,905.95x = 35,113,142.45
  5. Step 5: Solve for x
    x = 35,113,142.45/5,905.95
  6. Step 6: Final answer
    x = 5,945.38

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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.