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Finding the Fourth Proportional to 5,764.88, 7,950.21 and 4,276.51

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Solution

The fourth proportional to 5,764.88, 7,950.21 and 4,276.51 is: 5,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,764.88 : 7,950.21 = 4,276.51 : x
  2. Step 2: Convert to fraction form
    5,764.88/7,950.21 = 4,276.51/x
  3. Step 3: Cross multiply
    5,764.88x = 7,950.21 × 4,276.51
  4. Step 4: Simplify right side
    5,764.88x = 33,999,152.57
  5. Step 5: Solve for x
    x = 33,999,152.57/5,764.88
  6. Step 6: Final answer
    x = 5,897.63

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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.