Home / 5,421.08-8,132.06-2,302.47

Finding the Fourth Proportional to 5,421.08, 8,132.06 and 2,302.47

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Solution

The fourth proportional to 5,421.08, 8,132.06 and 2,302.47 is: 3,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.08 : 8,132.06 = 2,302.47 : x
  2. Step 2: Convert to fraction form
    5,421.08/8,132.06 = 2,302.47/x
  3. Step 3: Cross multiply
    5,421.08x = 8,132.06 × 2,302.47
  4. Step 4: Simplify right side
    5,421.08x = 18,723,829.94
  5. Step 5: Solve for x
    x = 18,723,829.94/5,421.08
  6. Step 6: Final answer
    x = 3,453.89

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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.