Home / 7,385.36-11,078.01-2,319.94

Finding the Fourth Proportional to 7,385.36, 11,078.01 and 2,319.94

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Solution

The fourth proportional to 7,385.36, 11,078.01 and 2,319.94 is: 3,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.36 : 11,078.01 = 2,319.94 : x
  2. Step 2: Convert to fraction form
    7,385.36/11,078.01 = 2,319.94/x
  3. Step 3: Cross multiply
    7,385.36x = 11,078.01 × 2,319.94
  4. Step 4: Simplify right side
    7,385.36x = 25,700,318.52
  5. Step 5: Solve for x
    x = 25,700,318.52/7,385.36
  6. Step 6: Final answer
    x = 3,479.90

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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.