Home / 4,984.74-6,878.78-2,860.62

Finding the Fourth Proportional to 4,984.74, 6,878.78 and 2,860.62

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Solution

The fourth proportional to 4,984.74, 6,878.78 and 2,860.62 is: 3,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.74 : 6,878.78 = 2,860.62 : x
  2. Step 2: Convert to fraction form
    4,984.74/6,878.78 = 2,860.62/x
  3. Step 3: Cross multiply
    4,984.74x = 6,878.78 × 2,860.62
  4. Step 4: Simplify right side
    4,984.74x = 19,677,575.64
  5. Step 5: Solve for x
    x = 19,677,575.64/4,984.74
  6. Step 6: Final answer
    x = 3,947.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.