Home / 6,261.82-9,387.75-3,140.14

Finding the Fourth Proportional to 6,261.82, 9,387.75 and 3,140.14

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Solution

The fourth proportional to 6,261.82, 9,387.75 and 3,140.14 is: 4,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.82 : 9,387.75 = 3,140.14 : x
  2. Step 2: Convert to fraction form
    6,261.82/9,387.75 = 3,140.14/x
  3. Step 3: Cross multiply
    6,261.82x = 9,387.75 × 3,140.14
  4. Step 4: Simplify right side
    6,261.82x = 29,478,849.29
  5. Step 5: Solve for x
    x = 29,478,849.29/6,261.82
  6. Step 6: Final answer
    x = 4,707.71

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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.