Home / 6,748.51-10,120.32-2,853.22

Finding the Fourth Proportional to 6,748.51, 10,120.32 and 2,853.22

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Solution

The fourth proportional to 6,748.51, 10,120.32 and 2,853.22 is: 4,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.51 : 10,120.32 = 2,853.22 : x
  2. Step 2: Convert to fraction form
    6,748.51/10,120.32 = 2,853.22/x
  3. Step 3: Cross multiply
    6,748.51x = 10,120.32 × 2,853.22
  4. Step 4: Simplify right side
    6,748.51x = 28,875,499.43
  5. Step 5: Solve for x
    x = 28,875,499.43/6,748.51
  6. Step 6: Final answer
    x = 4,278.80

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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.