Home / 6,861.87-9,465.90-4,339.73

Finding the Fourth Proportional to 6,861.87, 9,465.90 and 4,339.73

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Solution

The fourth proportional to 6,861.87, 9,465.90 and 4,339.73 is: 5,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.87 : 9,465.90 = 4,339.73 : x
  2. Step 2: Convert to fraction form
    6,861.87/9,465.90 = 4,339.73/x
  3. Step 3: Cross multiply
    6,861.87x = 9,465.90 × 4,339.73
  4. Step 4: Simplify right side
    6,861.87x = 41,079,428.51
  5. Step 5: Solve for x
    x = 41,079,428.51/6,861.87
  6. Step 6: Final answer
    x = 5,986.62

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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.