Home / 7,325.78-10,992.60-4,861.76

Finding the Fourth Proportional to 7,325.78, 10,992.60 and 4,861.76

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Solution

The fourth proportional to 7,325.78, 10,992.60 and 4,861.76 is: 7,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.78 : 10,992.60 = 4,861.76 : x
  2. Step 2: Convert to fraction form
    7,325.78/10,992.60 = 4,861.76/x
  3. Step 3: Cross multiply
    7,325.78x = 10,992.60 × 4,861.76
  4. Step 4: Simplify right side
    7,325.78x = 53,443,328.01
  5. Step 5: Solve for x
    x = 53,443,328.01/7,325.78
  6. Step 6: Final answer
    x = 7,295.25

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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.