Home / 7,771.42-10,727.67-4,627

Finding the Fourth Proportional to 7,771.42, 10,727.67 and 4,627

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Solution

The fourth proportional to 7,771.42, 10,727.67 and 4,627 is: 6,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.42 : 10,727.67 = 4,627 : x
  2. Step 2: Convert to fraction form
    7,771.42/10,727.67 = 4,627/x
  3. Step 3: Cross multiply
    7,771.42x = 10,727.67 × 4,627
  4. Step 4: Simplify right side
    7,771.42x = 49,636,929.09
  5. Step 5: Solve for x
    x = 49,636,929.09/7,771.42
  6. Step 6: Final answer
    x = 6,387.11

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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.