Home / 5,159.80-7,737.37-1,461.15

Finding the Fourth Proportional to 5,159.80, 7,737.37 and 1,461.15

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Solution

The fourth proportional to 5,159.80, 7,737.37 and 1,461.15 is: 2,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.80 : 7,737.37 = 1,461.15 : x
  2. Step 2: Convert to fraction form
    5,159.80/7,737.37 = 1,461.15/x
  3. Step 3: Cross multiply
    5,159.80x = 7,737.37 × 1,461.15
  4. Step 4: Simplify right side
    5,159.80x = 11,305,450.87
  5. Step 5: Solve for x
    x = 11,305,450.87/5,159.80
  6. Step 6: Final answer
    x = 2,191.07

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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.