Home / 5,005.80-7,505.73-1,718.82

Finding the Fourth Proportional to 5,005.80, 7,505.73 and 1,718.82

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Solution

The fourth proportional to 5,005.80, 7,505.73 and 1,718.82 is: 2,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.80 : 7,505.73 = 1,718.82 : x
  2. Step 2: Convert to fraction form
    5,005.80/7,505.73 = 1,718.82/x
  3. Step 3: Cross multiply
    5,005.80x = 7,505.73 × 1,718.82
  4. Step 4: Simplify right side
    5,005.80x = 12,900,998.84
  5. Step 5: Solve for x
    x = 12,900,998.84/5,005.80
  6. Step 6: Final answer
    x = 2,577.21

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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.