Home / 5,322.04-7,977.78-2,719.16

Finding the Fourth Proportional to 5,322.04, 7,977.78 and 2,719.16

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Solution

The fourth proportional to 5,322.04, 7,977.78 and 2,719.16 is: 4,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.04 : 7,977.78 = 2,719.16 : x
  2. Step 2: Convert to fraction form
    5,322.04/7,977.78 = 2,719.16/x
  3. Step 3: Cross multiply
    5,322.04x = 7,977.78 × 2,719.16
  4. Step 4: Simplify right side
    5,322.04x = 21,692,860.26
  5. Step 5: Solve for x
    x = 21,692,860.26/5,322.04
  6. Step 6: Final answer
    x = 4,076.04

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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.