Home / 4,639.71-6,955.29-2,005.56

Finding the Fourth Proportional to 4,639.71, 6,955.29 and 2,005.56

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Solution

The fourth proportional to 4,639.71, 6,955.29 and 2,005.56 is: 3,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.71 : 6,955.29 = 2,005.56 : x
  2. Step 2: Convert to fraction form
    4,639.71/6,955.29 = 2,005.56/x
  3. Step 3: Cross multiply
    4,639.71x = 6,955.29 × 2,005.56
  4. Step 4: Simplify right side
    4,639.71x = 13,949,257.05
  5. Step 5: Solve for x
    x = 13,949,257.05/4,639.71
  6. Step 6: Final answer
    x = 3,006.50

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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.