Home / 7,078.28-10,619.00-2,397.90

Finding the Fourth Proportional to 7,078.28, 10,619.00 and 2,397.90

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Solution

The fourth proportional to 7,078.28, 10,619.00 and 2,397.90 is: 3,597.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.28 : 10,619.00 = 2,397.90 : x
  2. Step 2: Convert to fraction form
    7,078.28/10,619.00 = 2,397.90/x
  3. Step 3: Cross multiply
    7,078.28x = 10,619.00 × 2,397.90
  4. Step 4: Simplify right side
    7,078.28x = 25,463,288.11
  5. Step 5: Solve for x
    x = 25,463,288.11/7,078.28
  6. Step 6: Final answer
    x = 3,597.39

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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.