Home / 7,135.34-10,705.84-2,751.62

Finding the Fourth Proportional to 7,135.34, 10,705.84 and 2,751.62

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Solution

The fourth proportional to 7,135.34, 10,705.84 and 2,751.62 is: 4,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.34 : 10,705.84 = 2,751.62 : x
  2. Step 2: Convert to fraction form
    7,135.34/10,705.84 = 2,751.62/x
  3. Step 3: Cross multiply
    7,135.34x = 10,705.84 × 2,751.62
  4. Step 4: Simplify right side
    7,135.34x = 29,458,403.46
  5. Step 5: Solve for x
    x = 29,458,403.46/7,135.34
  6. Step 6: Final answer
    x = 4,128.52

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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.