Home / 7,923-10,933.78-4,386.52

Finding the Fourth Proportional to 7,923, 10,933.78 and 4,386.52

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Solution

The fourth proportional to 7,923, 10,933.78 and 4,386.52 is: 6,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923 : 10,933.78 = 4,386.52 : x
  2. Step 2: Convert to fraction form
    7,923/10,933.78 = 4,386.52/x
  3. Step 3: Cross multiply
    7,923x = 10,933.78 × 4,386.52
  4. Step 4: Simplify right side
    7,923x = 47,961,244.65
  5. Step 5: Solve for x
    x = 47,961,244.65/7,923
  6. Step 6: Final answer
    x = 6,053.42

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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.