Home / 5,153.20-7,730.34-2,231.80

Finding the Fourth Proportional to 5,153.20, 7,730.34 and 2,231.80

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Solution

The fourth proportional to 5,153.20, 7,730.34 and 2,231.80 is: 3,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.20 : 7,730.34 = 2,231.80 : x
  2. Step 2: Convert to fraction form
    5,153.20/7,730.34 = 2,231.80/x
  3. Step 3: Cross multiply
    5,153.20x = 7,730.34 × 2,231.80
  4. Step 4: Simplify right side
    5,153.20x = 17,252,572.81
  5. Step 5: Solve for x
    x = 17,252,572.81/5,153.20
  6. Step 6: Final answer
    x = 3,347.93

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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.