Home / 4,613.87-6,920.63-1,326.95

Finding the Fourth Proportional to 4,613.87, 6,920.63 and 1,326.95

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Solution

The fourth proportional to 4,613.87, 6,920.63 and 1,326.95 is: 1,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.87 : 6,920.63 = 1,326.95 : x
  2. Step 2: Convert to fraction form
    4,613.87/6,920.63 = 1,326.95/x
  3. Step 3: Cross multiply
    4,613.87x = 6,920.63 × 1,326.95
  4. Step 4: Simplify right side
    4,613.87x = 9,183,323.34
  5. Step 5: Solve for x
    x = 9,183,323.34/4,613.87
  6. Step 6: Final answer
    x = 1,990.37

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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.