Home / 6,390.31-9,589.45-2,441.92

Finding the Fourth Proportional to 6,390.31, 9,589.45 and 2,441.92

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Solution

The fourth proportional to 6,390.31, 9,589.45 and 2,441.92 is: 3,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.31 : 9,589.45 = 2,441.92 : x
  2. Step 2: Convert to fraction form
    6,390.31/9,589.45 = 2,441.92/x
  3. Step 3: Cross multiply
    6,390.31x = 9,589.45 × 2,441.92
  4. Step 4: Simplify right side
    6,390.31x = 23,416,699.82
  5. Step 5: Solve for x
    x = 23,416,699.82/6,390.31
  6. Step 6: Final answer
    x = 3,664.41

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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.