Home / 7,886.14-11,807.25-6,396.46

Finding the Fourth Proportional to 7,886.14, 11,807.25 and 6,396.46

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Solution

The fourth proportional to 7,886.14, 11,807.25 and 6,396.46 is: 9,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.14 : 11,807.25 = 6,396.46 : x
  2. Step 2: Convert to fraction form
    7,886.14/11,807.25 = 6,396.46/x
  3. Step 3: Cross multiply
    7,886.14x = 11,807.25 × 6,396.46
  4. Step 4: Simplify right side
    7,886.14x = 75,524,602.34
  5. Step 5: Solve for x
    x = 75,524,602.34/7,886.14
  6. Step 6: Final answer
    x = 9,576.88

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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.