Home / 4,015.54-5,540.39-2,313.63

Finding the Fourth Proportional to 4,015.54, 5,540.39 and 2,313.63

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Solution

The fourth proportional to 4,015.54, 5,540.39 and 2,313.63 is: 3,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.54 : 5,540.39 = 2,313.63 : x
  2. Step 2: Convert to fraction form
    4,015.54/5,540.39 = 2,313.63/x
  3. Step 3: Cross multiply
    4,015.54x = 5,540.39 × 2,313.63
  4. Step 4: Simplify right side
    4,015.54x = 12,818,412.52
  5. Step 5: Solve for x
    x = 12,818,412.52/4,015.54
  6. Step 6: Final answer
    x = 3,192.20

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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.