Home / 4,086.68-6,130.96-1,313.51

Finding the Fourth Proportional to 4,086.68, 6,130.96 and 1,313.51

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Solution

The fourth proportional to 4,086.68, 6,130.96 and 1,313.51 is: 1,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.68 : 6,130.96 = 1,313.51 : x
  2. Step 2: Convert to fraction form
    4,086.68/6,130.96 = 1,313.51/x
  3. Step 3: Cross multiply
    4,086.68x = 6,130.96 × 1,313.51
  4. Step 4: Simplify right side
    4,086.68x = 8,053,043.33
  5. Step 5: Solve for x
    x = 8,053,043.33/4,086.68
  6. Step 6: Final answer
    x = 1,970.56

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1.5x scale

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.