Home / 7,690.68-11,539.67-4,576.84

Finding the Fourth Proportional to 7,690.68, 11,539.67 and 4,576.84

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Solution

The fourth proportional to 7,690.68, 11,539.67 and 4,576.84 is: 6,867.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.68 : 11,539.67 = 4,576.84 : x
  2. Step 2: Convert to fraction form
    7,690.68/11,539.67 = 4,576.84/x
  3. Step 3: Cross multiply
    7,690.68x = 11,539.67 × 4,576.84
  4. Step 4: Simplify right side
    7,690.68x = 52,815,223.24
  5. Step 5: Solve for x
    x = 52,815,223.24/7,690.68
  6. Step 6: Final answer
    x = 6,867.43

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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.