Home / 7,849.50-10,838.79-6,791.10

Finding the Fourth Proportional to 7,849.50, 10,838.79 and 6,791.10

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Solution

The fourth proportional to 7,849.50, 10,838.79 and 6,791.10 is: 9,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.50 : 10,838.79 = 6,791.10 : x
  2. Step 2: Convert to fraction form
    7,849.50/10,838.79 = 6,791.10/x
  3. Step 3: Cross multiply
    7,849.50x = 10,838.79 × 6,791.10
  4. Step 4: Simplify right side
    7,849.50x = 73,607,306.77
  5. Step 5: Solve for x
    x = 73,607,306.77/7,849.50
  6. Step 6: Final answer
    x = 9,377.32

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1.5x scale

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.