Home / 4,387.94-6,581.83-1,613.53

Finding the Fourth Proportional to 4,387.94, 6,581.83 and 1,613.53

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Solution

The fourth proportional to 4,387.94, 6,581.83 and 1,613.53 is: 2,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.94 : 6,581.83 = 1,613.53 : x
  2. Step 2: Convert to fraction form
    4,387.94/6,581.83 = 1,613.53/x
  3. Step 3: Cross multiply
    4,387.94x = 6,581.83 × 1,613.53
  4. Step 4: Simplify right side
    4,387.94x = 10,619,980.16
  5. Step 5: Solve for x
    x = 10,619,980.16/4,387.94
  6. Step 6: Final answer
    x = 2,420.27

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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.