Home / 4,989.77-7,489.29-2,526.34

Finding the Fourth Proportional to 4,989.77, 7,489.29 and 2,526.34

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Solution

The fourth proportional to 4,989.77, 7,489.29 and 2,526.34 is: 3,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.77 : 7,489.29 = 2,526.34 : x
  2. Step 2: Convert to fraction form
    4,989.77/7,489.29 = 2,526.34/x
  3. Step 3: Cross multiply
    4,989.77x = 7,489.29 × 2,526.34
  4. Step 4: Simplify right side
    4,989.77x = 18,920,492.90
  5. Step 5: Solve for x
    x = 18,920,492.90/4,989.77
  6. Step 6: Final answer
    x = 3,791.86

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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.