Home / 6,774.30-10,158.09-2,156.70

Finding the Fourth Proportional to 6,774.30, 10,158.09 and 2,156.70

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Solution

The fourth proportional to 6,774.30, 10,158.09 and 2,156.70 is: 3,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.30 : 10,158.09 = 2,156.70 : x
  2. Step 2: Convert to fraction form
    6,774.30/10,158.09 = 2,156.70/x
  3. Step 3: Cross multiply
    6,774.30x = 10,158.09 × 2,156.70
  4. Step 4: Simplify right side
    6,774.30x = 21,907,952.70
  5. Step 5: Solve for x
    x = 21,907,952.70/6,774.30
  6. Step 6: Final answer
    x = 3,233.98

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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.