Home / 4,881.13-6,735.96-2,643

Finding the Fourth Proportional to 4,881.13, 6,735.96 and 2,643

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Solution

The fourth proportional to 4,881.13, 6,735.96 and 2,643 is: 3,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.13 : 6,735.96 = 2,643 : x
  2. Step 2: Convert to fraction form
    4,881.13/6,735.96 = 2,643/x
  3. Step 3: Cross multiply
    4,881.13x = 6,735.96 × 2,643
  4. Step 4: Simplify right side
    4,881.13x = 17,803,142.28
  5. Step 5: Solve for x
    x = 17,803,142.28/4,881.13
  6. Step 6: Final answer
    x = 3,647.34

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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.