Home / 4,881.04-6,734.64-2,891.50

Finding the Fourth Proportional to 4,881.04, 6,734.64 and 2,891.50

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Solution

The fourth proportional to 4,881.04, 6,734.64 and 2,891.50 is: 3,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.04 : 6,734.64 = 2,891.50 : x
  2. Step 2: Convert to fraction form
    4,881.04/6,734.64 = 2,891.50/x
  3. Step 3: Cross multiply
    4,881.04x = 6,734.64 × 2,891.50
  4. Step 4: Simplify right side
    4,881.04x = 19,473,211.56
  5. Step 5: Solve for x
    x = 19,473,211.56/4,881.04
  6. Step 6: Final answer
    x = 3,989.56

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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.