Home / 5,310.79-7,967.45-1,613.23

Finding the Fourth Proportional to 5,310.79, 7,967.45 and 1,613.23

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Solution

The fourth proportional to 5,310.79, 7,967.45 and 1,613.23 is: 2,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.79 : 7,967.45 = 1,613.23 : x
  2. Step 2: Convert to fraction form
    5,310.79/7,967.45 = 1,613.23/x
  3. Step 3: Cross multiply
    5,310.79x = 7,967.45 × 1,613.23
  4. Step 4: Simplify right side
    5,310.79x = 12,853,329.36
  5. Step 5: Solve for x
    x = 12,853,329.36/5,310.79
  6. Step 6: Final answer
    x = 2,420.23

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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.