Home / 6,390-9,582.12-2,494.32

Finding the Fourth Proportional to 6,390, 9,582.12 and 2,494.32

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Solution

The fourth proportional to 6,390, 9,582.12 and 2,494.32 is: 3,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390 : 9,582.12 = 2,494.32 : x
  2. Step 2: Convert to fraction form
    6,390/9,582.12 = 2,494.32/x
  3. Step 3: Cross multiply
    6,390x = 9,582.12 × 2,494.32
  4. Step 4: Simplify right side
    6,390x = 23,900,873.56
  5. Step 5: Solve for x
    x = 23,900,873.56/6,390
  6. Step 6: Final answer
    x = 3,740.36

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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.