Home / 6,864.69-10,289.08-3,159.14

Finding the Fourth Proportional to 6,864.69, 10,289.08 and 3,159.14

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Solution

The fourth proportional to 6,864.69, 10,289.08 and 3,159.14 is: 4,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.69 : 10,289.08 = 3,159.14 : x
  2. Step 2: Convert to fraction form
    6,864.69/10,289.08 = 3,159.14/x
  3. Step 3: Cross multiply
    6,864.69x = 10,289.08 × 3,159.14
  4. Step 4: Simplify right side
    6,864.69x = 32,504,644.19
  5. Step 5: Solve for x
    x = 32,504,644.19/6,864.69
  6. Step 6: Final answer
    x = 4,735.05

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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.