Home / 6,740.27-9,301.65-3,907.85

Finding the Fourth Proportional to 6,740.27, 9,301.65 and 3,907.85

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Solution

The fourth proportional to 6,740.27, 9,301.65 and 3,907.85 is: 5,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.27 : 9,301.65 = 3,907.85 : x
  2. Step 2: Convert to fraction form
    6,740.27/9,301.65 = 3,907.85/x
  3. Step 3: Cross multiply
    6,740.27x = 9,301.65 × 3,907.85
  4. Step 4: Simplify right side
    6,740.27x = 36,349,406.44
  5. Step 5: Solve for x
    x = 36,349,406.44/6,740.27
  6. Step 6: Final answer
    x = 5,392.87

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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.