Home / 5,026.78-7,539.99-1,329.02

Finding the Fourth Proportional to 5,026.78, 7,539.99 and 1,329.02

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Solution

The fourth proportional to 5,026.78, 7,539.99 and 1,329.02 is: 1,993.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.78 : 7,539.99 = 1,329.02 : x
  2. Step 2: Convert to fraction form
    5,026.78/7,539.99 = 1,329.02/x
  3. Step 3: Cross multiply
    5,026.78x = 7,539.99 × 1,329.02
  4. Step 4: Simplify right side
    5,026.78x = 10,020,797.51
  5. Step 5: Solve for x
    x = 10,020,797.51/5,026.78
  6. Step 6: Final answer
    x = 1,993.48

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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.