Home / 6,386.42-9,582.82-2,878.88

Finding the Fourth Proportional to 6,386.42, 9,582.82 and 2,878.88

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Solution

The fourth proportional to 6,386.42, 9,582.82 and 2,878.88 is: 4,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.42 : 9,582.82 = 2,878.88 : x
  2. Step 2: Convert to fraction form
    6,386.42/9,582.82 = 2,878.88/x
  3. Step 3: Cross multiply
    6,386.42x = 9,582.82 × 2,878.88
  4. Step 4: Simplify right side
    6,386.42x = 27,587,788.84
  5. Step 5: Solve for x
    x = 27,587,788.84/6,386.42
  6. Step 6: Final answer
    x = 4,319.76

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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.