Home / 6,919.14-9,548.70-3,935.50

Finding the Fourth Proportional to 6,919.14, 9,548.70 and 3,935.50

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Solution

The fourth proportional to 6,919.14, 9,548.70 and 3,935.50 is: 5,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.14 : 9,548.70 = 3,935.50 : x
  2. Step 2: Convert to fraction form
    6,919.14/9,548.70 = 3,935.50/x
  3. Step 3: Cross multiply
    6,919.14x = 9,548.70 × 3,935.50
  4. Step 4: Simplify right side
    6,919.14x = 37,578,908.85
  5. Step 5: Solve for x
    x = 37,578,908.85/6,919.14
  6. Step 6: Final answer
    x = 5,431.15

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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.