Home / 6,911.30-10,366.92-3,211.50

Finding the Fourth Proportional to 6,911.30, 10,366.92 and 3,211.50

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Solution

The fourth proportional to 6,911.30, 10,366.92 and 3,211.50 is: 4,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.30 : 10,366.92 = 3,211.50 : x
  2. Step 2: Convert to fraction form
    6,911.30/10,366.92 = 3,211.50/x
  3. Step 3: Cross multiply
    6,911.30x = 10,366.92 × 3,211.50
  4. Step 4: Simplify right side
    6,911.30x = 33,293,363.58
  5. Step 5: Solve for x
    x = 33,293,363.58/6,911.30
  6. Step 6: Final answer
    x = 4,817.24

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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.