Home / 5,276.45-7,918.56-2,503.11

Finding the Fourth Proportional to 5,276.45, 7,918.56 and 2,503.11

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Solution

The fourth proportional to 5,276.45, 7,918.56 and 2,503.11 is: 3,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.45 : 7,918.56 = 2,503.11 : x
  2. Step 2: Convert to fraction form
    5,276.45/7,918.56 = 2,503.11/x
  3. Step 3: Cross multiply
    5,276.45x = 7,918.56 × 2,503.11
  4. Step 4: Simplify right side
    5,276.45x = 19,821,026.72
  5. Step 5: Solve for x
    x = 19,821,026.72/5,276.45
  6. Step 6: Final answer
    x = 3,756.51

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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.