Home / 7,187.29-10,771.62-3,484.38

Finding the Fourth Proportional to 7,187.29, 10,771.62 and 3,484.38

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Solution

The fourth proportional to 7,187.29, 10,771.62 and 3,484.38 is: 5,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.29 : 10,771.62 = 3,484.38 : x
  2. Step 2: Convert to fraction form
    7,187.29/10,771.62 = 3,484.38/x
  3. Step 3: Cross multiply
    7,187.29x = 10,771.62 × 3,484.38
  4. Step 4: Simplify right side
    7,187.29x = 37,532,417.30
  5. Step 5: Solve for x
    x = 37,532,417.30/7,187.29
  6. Step 6: Final answer
    x = 5,222.05

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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.