Home / 5,448-7,518.40-2,964.16

Finding the Fourth Proportional to 5,448, 7,518.40 and 2,964.16

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Solution

The fourth proportional to 5,448, 7,518.40 and 2,964.16 is: 4,090.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448 : 7,518.40 = 2,964.16 : x
  2. Step 2: Convert to fraction form
    5,448/7,518.40 = 2,964.16/x
  3. Step 3: Cross multiply
    5,448x = 7,518.40 × 2,964.16
  4. Step 4: Simplify right side
    5,448x = 22,285,740.54
  5. Step 5: Solve for x
    x = 22,285,740.54/5,448
  6. Step 6: Final answer
    x = 4,090.63

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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.