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Finding the Fourth Proportional to 6,895.80, 9,518.04 and 4,063.50

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Solution

The fourth proportional to 6,895.80, 9,518.04 and 4,063.50 is: 5,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.80 : 9,518.04 = 4,063.50 : x
  2. Step 2: Convert to fraction form
    6,895.80/9,518.04 = 4,063.50/x
  3. Step 3: Cross multiply
    6,895.80x = 9,518.04 × 4,063.50
  4. Step 4: Simplify right side
    6,895.80x = 38,676,555.54
  5. Step 5: Solve for x
    x = 38,676,555.54/6,895.80
  6. Step 6: Final answer
    x = 5,608.71

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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.