Home / 6,675.15-9,211.80-3,690.99

Finding the Fourth Proportional to 6,675.15, 9,211.80 and 3,690.99

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Solution

The fourth proportional to 6,675.15, 9,211.80 and 3,690.99 is: 5,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.15 : 9,211.80 = 3,690.99 : x
  2. Step 2: Convert to fraction form
    6,675.15/9,211.80 = 3,690.99/x
  3. Step 3: Cross multiply
    6,675.15x = 9,211.80 × 3,690.99
  4. Step 4: Simplify right side
    6,675.15x = 34,000,661.68
  5. Step 5: Solve for x
    x = 34,000,661.68/6,675.15
  6. Step 6: Final answer
    x = 5,093.62

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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.