Home / 4,086.56-6,130.63-1,313.02

Finding the Fourth Proportional to 4,086.56, 6,130.63 and 1,313.02

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Solution

The fourth proportional to 4,086.56, 6,130.63 and 1,313.02 is: 1,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.56 : 6,130.63 = 1,313.02 : x
  2. Step 2: Convert to fraction form
    4,086.56/6,130.63 = 1,313.02/x
  3. Step 3: Cross multiply
    4,086.56x = 6,130.63 × 1,313.02
  4. Step 4: Simplify right side
    4,086.56x = 8,049,639.80
  5. Step 5: Solve for x
    x = 8,049,639.80/4,086.56
  6. Step 6: Final answer
    x = 1,969.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.