Home / 6,238.51-9,355.38-2,077.72

Finding the Fourth Proportional to 6,238.51, 9,355.38 and 2,077.72

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Solution

The fourth proportional to 6,238.51, 9,355.38 and 2,077.72 is: 3,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.51 : 9,355.38 = 2,077.72 : x
  2. Step 2: Convert to fraction form
    6,238.51/9,355.38 = 2,077.72/x
  3. Step 3: Cross multiply
    6,238.51x = 9,355.38 × 2,077.72
  4. Step 4: Simplify right side
    6,238.51x = 19,437,860.13
  5. Step 5: Solve for x
    x = 19,437,860.13/6,238.51
  6. Step 6: Final answer
    x = 3,115.79

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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.