Home / 7,838.93-11,747.39-4,330.58

Finding the Fourth Proportional to 7,838.93, 11,747.39 and 4,330.58

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Solution

The fourth proportional to 7,838.93, 11,747.39 and 4,330.58 is: 6,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.93 : 11,747.39 = 4,330.58 : x
  2. Step 2: Convert to fraction form
    7,838.93/11,747.39 = 4,330.58/x
  3. Step 3: Cross multiply
    7,838.93x = 11,747.39 × 4,330.58
  4. Step 4: Simplify right side
    7,838.93x = 50,872,931.80
  5. Step 5: Solve for x
    x = 50,872,931.80/7,838.93
  6. Step 6: Final answer
    x = 6,489.78

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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.