Home / 4,612.38-6,918.57-1,690.98

Finding the Fourth Proportional to 4,612.38, 6,918.57 and 1,690.98

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Solution

The fourth proportional to 4,612.38, 6,918.57 and 1,690.98 is: 2,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.38 : 6,918.57 = 1,690.98 : x
  2. Step 2: Convert to fraction form
    4,612.38/6,918.57 = 1,690.98/x
  3. Step 3: Cross multiply
    4,612.38x = 6,918.57 × 1,690.98
  4. Step 4: Simplify right side
    4,612.38x = 11,699,163.50
  5. Step 5: Solve for x
    x = 11,699,163.50/4,612.38
  6. Step 6: Final answer
    x = 2,536.47

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Similar ratio
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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.