Home / 5,089.80-7,630.29-2,276.49

Finding the Fourth Proportional to 5,089.80, 7,630.29 and 2,276.49

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Solution

The fourth proportional to 5,089.80, 7,630.29 and 2,276.49 is: 3,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.80 : 7,630.29 = 2,276.49 : x
  2. Step 2: Convert to fraction form
    5,089.80/7,630.29 = 2,276.49/x
  3. Step 3: Cross multiply
    5,089.80x = 7,630.29 × 2,276.49
  4. Step 4: Simplify right side
    5,089.80x = 17,370,278.88
  5. Step 5: Solve for x
    x = 17,370,278.88/5,089.80
  6. Step 6: Final answer
    x = 3,412.76

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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.