Home / 6,236.90-9,347.55-3,117.78

Finding the Fourth Proportional to 6,236.90, 9,347.55 and 3,117.78

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Solution

The fourth proportional to 6,236.90, 9,347.55 and 3,117.78 is: 4,672.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,236.90 : 9,347.55 = 3,117.78 : x
  2. Step 2: Convert to fraction form
    6,236.90/9,347.55 = 3,117.78/x
  3. Step 3: Cross multiply
    6,236.90x = 9,347.55 × 3,117.78
  4. Step 4: Simplify right side
    6,236.90x = 29,143,604.44
  5. Step 5: Solve for x
    x = 29,143,604.44/6,236.90
  6. Step 6: Final answer
    x = 4,672.77

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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.