Home / 8,955.94-13,439.31-3,116.65

Finding the Fourth Proportional to 8,955.94, 13,439.31 and 3,116.65

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Solution

The fourth proportional to 8,955.94, 13,439.31 and 3,116.65 is: 4,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.94 : 13,439.31 = 3,116.65 : x
  2. Step 2: Convert to fraction form
    8,955.94/13,439.31 = 3,116.65/x
  3. Step 3: Cross multiply
    8,955.94x = 13,439.31 × 3,116.65
  4. Step 4: Simplify right side
    8,955.94x = 41,885,625.51
  5. Step 5: Solve for x
    x = 41,885,625.51/8,955.94
  6. Step 6: Final answer
    x = 4,676.85

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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.