Home / 4,612.14-6,918.57-1,690.38

Finding the Fourth Proportional to 4,612.14, 6,918.57 and 1,690.38

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Solution

The fourth proportional to 4,612.14, 6,918.57 and 1,690.38 is: 2,535.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.14 : 6,918.57 = 1,690.38 : x
  2. Step 2: Convert to fraction form
    4,612.14/6,918.57 = 1,690.38/x
  3. Step 3: Cross multiply
    4,612.14x = 6,918.57 × 1,690.38
  4. Step 4: Simplify right side
    4,612.14x = 11,695,012.36
  5. Step 5: Solve for x
    x = 11,695,012.36/4,612.14
  6. Step 6: Final answer
    x = 2,535.70

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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.