Home / 6,890.14-10,333.23-2,506.78

Finding the Fourth Proportional to 6,890.14, 10,333.23 and 2,506.78

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Solution

The fourth proportional to 6,890.14, 10,333.23 and 2,506.78 is: 3,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.14 : 10,333.23 = 2,506.78 : x
  2. Step 2: Convert to fraction form
    6,890.14/10,333.23 = 2,506.78/x
  3. Step 3: Cross multiply
    6,890.14x = 10,333.23 × 2,506.78
  4. Step 4: Simplify right side
    6,890.14x = 25,903,134.30
  5. Step 5: Solve for x
    x = 25,903,134.30/6,890.14
  6. Step 6: Final answer
    x = 3,759.45

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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.