Home / 4,738.89-6,539.64-2,643

Finding the Fourth Proportional to 4,738.89, 6,539.64 and 2,643

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Solution

The fourth proportional to 4,738.89, 6,539.64 and 2,643 is: 3,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.89 : 6,539.64 = 2,643 : x
  2. Step 2: Convert to fraction form
    4,738.89/6,539.64 = 2,643/x
  3. Step 3: Cross multiply
    4,738.89x = 6,539.64 × 2,643
  4. Step 4: Simplify right side
    4,738.89x = 17,284,268.52
  5. Step 5: Solve for x
    x = 17,284,268.52/4,738.89
  6. Step 6: Final answer
    x = 3,647.32

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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.