Home / 6,530.14-9,011.64-3,878.86

Finding the Fourth Proportional to 6,530.14, 9,011.64 and 3,878.86

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Solution

The fourth proportional to 6,530.14, 9,011.64 and 3,878.86 is: 5,352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.14 : 9,011.64 = 3,878.86 : x
  2. Step 2: Convert to fraction form
    6,530.14/9,011.64 = 3,878.86/x
  3. Step 3: Cross multiply
    6,530.14x = 9,011.64 × 3,878.86
  4. Step 4: Simplify right side
    6,530.14x = 34,954,889.93
  5. Step 5: Solve for x
    x = 34,954,889.93/6,530.14
  6. Step 6: Final answer
    x = 5,352.85

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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.