Home / 5,403.94-7,457.45-2,919.94

Finding the Fourth Proportional to 5,403.94, 7,457.45 and 2,919.94

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Solution

The fourth proportional to 5,403.94, 7,457.45 and 2,919.94 is: 4,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.94 : 7,457.45 = 2,919.94 : x
  2. Step 2: Convert to fraction form
    5,403.94/7,457.45 = 2,919.94/x
  3. Step 3: Cross multiply
    5,403.94x = 7,457.45 × 2,919.94
  4. Step 4: Simplify right side
    5,403.94x = 21,775,273.31
  5. Step 5: Solve for x
    x = 21,775,273.31/5,403.94
  6. Step 6: Final answer
    x = 4,029.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.