Home / 7,639.58-11,460.81-3,022.94

Finding the Fourth Proportional to 7,639.58, 11,460.81 and 3,022.94

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Solution

The fourth proportional to 7,639.58, 11,460.81 and 3,022.94 is: 4,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.58 : 11,460.81 = 3,022.94 : x
  2. Step 2: Convert to fraction form
    7,639.58/11,460.81 = 3,022.94/x
  3. Step 3: Cross multiply
    7,639.58x = 11,460.81 × 3,022.94
  4. Step 4: Simplify right side
    7,639.58x = 34,645,340.98
  5. Step 5: Solve for x
    x = 34,645,340.98/7,639.58
  6. Step 6: Final answer
    x = 4,534.98

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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.