Home / 8,940.86-12,338.75-4,907.84

Finding the Fourth Proportional to 8,940.86, 12,338.75 and 4,907.84

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Solution

The fourth proportional to 8,940.86, 12,338.75 and 4,907.84 is: 6,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.86 : 12,338.75 = 4,907.84 : x
  2. Step 2: Convert to fraction form
    8,940.86/12,338.75 = 4,907.84/x
  3. Step 3: Cross multiply
    8,940.86x = 12,338.75 × 4,907.84
  4. Step 4: Simplify right side
    8,940.86x = 60,556,524.57
  5. Step 5: Solve for x
    x = 60,556,524.57/8,940.86
  6. Step 6: Final answer
    x = 6,773.01

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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.