Home / 7,682.61-11,521.08-2,750.94

Finding the Fourth Proportional to 7,682.61, 11,521.08 and 2,750.94

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Solution

The fourth proportional to 7,682.61, 11,521.08 and 2,750.94 is: 4,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.61 : 11,521.08 = 2,750.94 : x
  2. Step 2: Convert to fraction form
    7,682.61/11,521.08 = 2,750.94/x
  3. Step 3: Cross multiply
    7,682.61x = 11,521.08 × 2,750.94
  4. Step 4: Simplify right side
    7,682.61x = 31,693,799.82
  5. Step 5: Solve for x
    x = 31,693,799.82/7,682.61
  6. Step 6: Final answer
    x = 4,125.39

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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.