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Finding the Fourth Proportional to 6,782.60, 9,359.71 and 3,950.06

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Solution

The fourth proportional to 6,782.60, 9,359.71 and 3,950.06 is: 5,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.60 : 9,359.71 = 3,950.06 : x
  2. Step 2: Convert to fraction form
    6,782.60/9,359.71 = 3,950.06/x
  3. Step 3: Cross multiply
    6,782.60x = 9,359.71 × 3,950.06
  4. Step 4: Simplify right side
    6,782.60x = 36,971,359.41
  5. Step 5: Solve for x
    x = 36,971,359.41/6,782.60
  6. Step 6: Final answer
    x = 5,450.92

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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.