Home / 6,419.32-9,630.87-2,036.68

Finding the Fourth Proportional to 6,419.32, 9,630.87 and 2,036.68

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Solution

The fourth proportional to 6,419.32, 9,630.87 and 2,036.68 is: 3,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.32 : 9,630.87 = 2,036.68 : x
  2. Step 2: Convert to fraction form
    6,419.32/9,630.87 = 2,036.68/x
  3. Step 3: Cross multiply
    6,419.32x = 9,630.87 × 2,036.68
  4. Step 4: Simplify right side
    6,419.32x = 19,615,000.31
  5. Step 5: Solve for x
    x = 19,615,000.31/6,419.32
  6. Step 6: Final answer
    x = 3,055.62

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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.