Home / 5,313.26-7,969.91-1,615.52

Finding the Fourth Proportional to 5,313.26, 7,969.91 and 1,615.52

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Solution

The fourth proportional to 5,313.26, 7,969.91 and 1,615.52 is: 2,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.26 : 7,969.91 = 1,615.52 : x
  2. Step 2: Convert to fraction form
    5,313.26/7,969.91 = 1,615.52/x
  3. Step 3: Cross multiply
    5,313.26x = 7,969.91 × 1,615.52
  4. Step 4: Simplify right side
    5,313.26x = 12,875,560.85
  5. Step 5: Solve for x
    x = 12,875,560.85/5,313.26
  6. Step 6: Final answer
    x = 2,423.29

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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.