Home / 6,939.50-9,576.51-3,795.69

Finding the Fourth Proportional to 6,939.50, 9,576.51 and 3,795.69

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Solution

The fourth proportional to 6,939.50, 9,576.51 and 3,795.69 is: 5,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.50 : 9,576.51 = 3,795.69 : x
  2. Step 2: Convert to fraction form
    6,939.50/9,576.51 = 3,795.69/x
  3. Step 3: Cross multiply
    6,939.50x = 9,576.51 × 3,795.69
  4. Step 4: Simplify right side
    6,939.50x = 36,349,463.24
  5. Step 5: Solve for x
    x = 36,349,463.24/6,939.50
  6. Step 6: Final answer
    x = 5,238.05

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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.