Home / 5,421.29-8,133.58-2,573.96

Finding the Fourth Proportional to 5,421.29, 8,133.58 and 2,573.96

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Solution

The fourth proportional to 5,421.29, 8,133.58 and 2,573.96 is: 3,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.29 : 8,133.58 = 2,573.96 : x
  2. Step 2: Convert to fraction form
    5,421.29/8,133.58 = 2,573.96/x
  3. Step 3: Cross multiply
    5,421.29x = 8,133.58 × 2,573.96
  4. Step 4: Simplify right side
    5,421.29x = 20,935,509.58
  5. Step 5: Solve for x
    x = 20,935,509.58/5,421.29
  6. Step 6: Final answer
    x = 3,861.72

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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.