Home / 6,886.32-10,330.08-1,956

Finding the Fourth Proportional to 6,886.32, 10,330.08 and 1,956

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Solution

The fourth proportional to 6,886.32, 10,330.08 and 1,956 is: 2,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886.32 : 10,330.08 = 1,956 : x
  2. Step 2: Convert to fraction form
    6,886.32/10,330.08 = 1,956/x
  3. Step 3: Cross multiply
    6,886.32x = 10,330.08 × 1,956
  4. Step 4: Simplify right side
    6,886.32x = 20,205,636.48
  5. Step 5: Solve for x
    x = 20,205,636.48/6,886.32
  6. Step 6: Final answer
    x = 2,934.17

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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.