Home / 6,716.40-10,078.52-2,820.48

Finding the Fourth Proportional to 6,716.40, 10,078.52 and 2,820.48

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Solution

The fourth proportional to 6,716.40, 10,078.52 and 2,820.48 is: 4,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,716.40 : 10,078.52 = 2,820.48 : x
  2. Step 2: Convert to fraction form
    6,716.40/10,078.52 = 2,820.48/x
  3. Step 3: Cross multiply
    6,716.40x = 10,078.52 × 2,820.48
  4. Step 4: Simplify right side
    6,716.40x = 28,426,264.09
  5. Step 5: Solve for x
    x = 28,426,264.09/6,716.40
  6. Step 6: Final answer
    x = 4,232.37

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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.