Home / 7,933.14-10,938.60-6,436.44

Finding the Fourth Proportional to 7,933.14, 10,938.60 and 6,436.44

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Solution

The fourth proportional to 7,933.14, 10,938.60 and 6,436.44 is: 8,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.14 : 10,938.60 = 6,436.44 : x
  2. Step 2: Convert to fraction form
    7,933.14/10,938.60 = 6,436.44/x
  3. Step 3: Cross multiply
    7,933.14x = 10,938.60 × 6,436.44
  4. Step 4: Simplify right side
    7,933.14x = 70,405,642.58
  5. Step 5: Solve for x
    x = 70,405,642.58/7,933.14
  6. Step 6: Final answer
    x = 8,874.88

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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.