Home / 7,316.21-10,976.07-2,385.86

Finding the Fourth Proportional to 7,316.21, 10,976.07 and 2,385.86

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Solution

The fourth proportional to 7,316.21, 10,976.07 and 2,385.86 is: 3,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.21 : 10,976.07 = 2,385.86 : x
  2. Step 2: Convert to fraction form
    7,316.21/10,976.07 = 2,385.86/x
  3. Step 3: Cross multiply
    7,316.21x = 10,976.07 × 2,385.86
  4. Step 4: Simplify right side
    7,316.21x = 26,187,323.12
  5. Step 5: Solve for x
    x = 26,187,323.12/7,316.21
  6. Step 6: Final answer
    x = 3,579.36

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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.