Home / 7,838.81-11,744.53-6,530.96

Finding the Fourth Proportional to 7,838.81, 11,744.53 and 6,530.96

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Solution

The fourth proportional to 7,838.81, 11,744.53 and 6,530.96 is: 9,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.81 : 11,744.53 = 6,530.96 : x
  2. Step 2: Convert to fraction form
    7,838.81/11,744.53 = 6,530.96/x
  3. Step 3: Cross multiply
    7,838.81x = 11,744.53 × 6,530.96
  4. Step 4: Simplify right side
    7,838.81x = 76,703,068.68
  5. Step 5: Solve for x
    x = 76,703,068.68/7,838.81
  6. Step 6: Final answer
    x = 9,785.04

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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.