Home / 6,940.29-9,576.95-3,956.06

Finding the Fourth Proportional to 6,940.29, 9,576.95 and 3,956.06

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Solution

The fourth proportional to 6,940.29, 9,576.95 and 3,956.06 is: 5,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.29 : 9,576.95 = 3,956.06 : x
  2. Step 2: Convert to fraction form
    6,940.29/9,576.95 = 3,956.06/x
  3. Step 3: Cross multiply
    6,940.29x = 9,576.95 × 3,956.06
  4. Step 4: Simplify right side
    6,940.29x = 37,886,921.15
  5. Step 5: Solve for x
    x = 37,886,921.15/6,940.29
  6. Step 6: Final answer
    x = 5,458.98

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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.