Home / 7,639.99-11,456.35-2,962.18

Finding the Fourth Proportional to 7,639.99, 11,456.35 and 2,962.18

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Solution

The fourth proportional to 7,639.99, 11,456.35 and 2,962.18 is: 4,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.99 : 11,456.35 = 2,962.18 : x
  2. Step 2: Convert to fraction form
    7,639.99/11,456.35 = 2,962.18/x
  3. Step 3: Cross multiply
    7,639.99x = 11,456.35 × 2,962.18
  4. Step 4: Simplify right side
    7,639.99x = 33,935,770.84
  5. Step 5: Solve for x
    x = 33,935,770.84/7,639.99
  6. Step 6: Final answer
    x = 4,441.86

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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.