Home / 5,299.18-7,948.77-1,403.89

Finding the Fourth Proportional to 5,299.18, 7,948.77 and 1,403.89

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Solution

The fourth proportional to 5,299.18, 7,948.77 and 1,403.89 is: 2,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.18 : 7,948.77 = 1,403.89 : x
  2. Step 2: Convert to fraction form
    5,299.18/7,948.77 = 1,403.89/x
  3. Step 3: Cross multiply
    5,299.18x = 7,948.77 × 1,403.89
  4. Step 4: Simplify right side
    5,299.18x = 11,159,198.72
  5. Step 5: Solve for x
    x = 11,159,198.72/5,299.18
  6. Step 6: Final answer
    x = 2,105.84

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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.