Home / 5,639.28-8,459.03-1,743.68

Finding the Fourth Proportional to 5,639.28, 8,459.03 and 1,743.68

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Solution

The fourth proportional to 5,639.28, 8,459.03 and 1,743.68 is: 2,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.28 : 8,459.03 = 1,743.68 : x
  2. Step 2: Convert to fraction form
    5,639.28/8,459.03 = 1,743.68/x
  3. Step 3: Cross multiply
    5,639.28x = 8,459.03 × 1,743.68
  4. Step 4: Simplify right side
    5,639.28x = 14,749,866.94
  5. Step 5: Solve for x
    x = 14,749,866.94/5,639.28
  6. Step 6: Final answer
    x = 2,615.56

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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.