Home / 6,939.14-10,415.08-4,992.71

Finding the Fourth Proportional to 6,939.14, 10,415.08 and 4,992.71

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Solution

The fourth proportional to 6,939.14, 10,415.08 and 4,992.71 is: 7,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.14 : 10,415.08 = 4,992.71 : x
  2. Step 2: Convert to fraction form
    6,939.14/10,415.08 = 4,992.71/x
  3. Step 3: Cross multiply
    6,939.14x = 10,415.08 × 4,992.71
  4. Step 4: Simplify right side
    6,939.14x = 51,999,421.99
  5. Step 5: Solve for x
    x = 51,999,421.99/6,939.14
  6. Step 6: Final answer
    x = 7,493.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.