Home / 6,750.51-10,123.32-2,855.22

Finding the Fourth Proportional to 6,750.51, 10,123.32 and 2,855.22

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Solution

The fourth proportional to 6,750.51, 10,123.32 and 2,855.22 is: 4,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.51 : 10,123.32 = 2,855.22 : x
  2. Step 2: Convert to fraction form
    6,750.51/10,123.32 = 2,855.22/x
  3. Step 3: Cross multiply
    6,750.51x = 10,123.32 × 2,855.22
  4. Step 4: Simplify right side
    6,750.51x = 28,904,305.73
  5. Step 5: Solve for x
    x = 28,904,305.73/6,750.51
  6. Step 6: Final answer
    x = 4,281.80

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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.