Home / 7,989.84-11,028.35-4,634.82

Finding the Fourth Proportional to 7,989.84, 11,028.35 and 4,634.82

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Solution

The fourth proportional to 7,989.84, 11,028.35 and 4,634.82 is: 6,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.84 : 11,028.35 = 4,634.82 : x
  2. Step 2: Convert to fraction form
    7,989.84/11,028.35 = 4,634.82/x
  3. Step 3: Cross multiply
    7,989.84x = 11,028.35 × 4,634.82
  4. Step 4: Simplify right side
    7,989.84x = 51,114,428.73
  5. Step 5: Solve for x
    x = 51,114,428.73/7,989.84
  6. Step 6: Final answer
    x = 6,397.43

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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.