Home / 5,421.65-8,124.23-4,028.49

Finding the Fourth Proportional to 5,421.65, 8,124.23 and 4,028.49

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Solution

The fourth proportional to 5,421.65, 8,124.23 and 4,028.49 is: 6,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.65 : 8,124.23 = 4,028.49 : x
  2. Step 2: Convert to fraction form
    5,421.65/8,124.23 = 4,028.49/x
  3. Step 3: Cross multiply
    5,421.65x = 8,124.23 × 4,028.49
  4. Step 4: Simplify right side
    5,421.65x = 32,728,389.38
  5. Step 5: Solve for x
    x = 32,728,389.38/5,421.65
  6. Step 6: Final answer
    x = 6,036.62

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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.