Home / 5,153.18-7,729.44-2,519.66

Finding the Fourth Proportional to 5,153.18, 7,729.44 and 2,519.66

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Solution

The fourth proportional to 5,153.18, 7,729.44 and 2,519.66 is: 3,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.18 : 7,729.44 = 2,519.66 : x
  2. Step 2: Convert to fraction form
    5,153.18/7,729.44 = 2,519.66/x
  3. Step 3: Cross multiply
    5,153.18x = 7,729.44 × 2,519.66
  4. Step 4: Simplify right side
    5,153.18x = 19,475,560.79
  5. Step 5: Solve for x
    x = 19,475,560.79/5,153.18
  6. Step 6: Final answer
    x = 3,779.33

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1.5x scale

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.