Home / 7,277.55-10,907.18-3,112.66

Finding the Fourth Proportional to 7,277.55, 10,907.18 and 3,112.66

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Solution

The fourth proportional to 7,277.55, 10,907.18 and 3,112.66 is: 4,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.55 : 10,907.18 = 3,112.66 : x
  2. Step 2: Convert to fraction form
    7,277.55/10,907.18 = 3,112.66/x
  3. Step 3: Cross multiply
    7,277.55x = 10,907.18 × 3,112.66
  4. Step 4: Simplify right side
    7,277.55x = 33,950,313.67
  5. Step 5: Solve for x
    x = 33,950,313.67/7,277.55
  6. Step 6: Final answer
    x = 4,665.08

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1.5x scale

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.