Home / 5,310.24-7,965.36-1,613.44

Finding the Fourth Proportional to 5,310.24, 7,965.36 and 1,613.44

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Solution

The fourth proportional to 5,310.24, 7,965.36 and 1,613.44 is: 2,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.24 : 7,965.36 = 1,613.44 : x
  2. Step 2: Convert to fraction form
    5,310.24/7,965.36 = 1,613.44/x
  3. Step 3: Cross multiply
    5,310.24x = 7,965.36 × 1,613.44
  4. Step 4: Simplify right side
    5,310.24x = 12,851,630.44
  5. Step 5: Solve for x
    x = 12,851,630.44/5,310.24
  6. Step 6: Final answer
    x = 2,420.16

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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.