Home / 9,116.45-13,674.96-2,876.51

Finding the Fourth Proportional to 9,116.45, 13,674.96 and 2,876.51

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Solution

The fourth proportional to 9,116.45, 13,674.96 and 2,876.51 is: 4,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.45 : 13,674.96 = 2,876.51 : x
  2. Step 2: Convert to fraction form
    9,116.45/13,674.96 = 2,876.51/x
  3. Step 3: Cross multiply
    9,116.45x = 13,674.96 × 2,876.51
  4. Step 4: Simplify right side
    9,116.45x = 39,336,159.19
  5. Step 5: Solve for x
    x = 39,336,159.19/9,116.45
  6. Step 6: Final answer
    x = 4,314.85

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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.