Home / 4,973.91-6,864.33-2,878.03

Finding the Fourth Proportional to 4,973.91, 6,864.33 and 2,878.03

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Solution

The fourth proportional to 4,973.91, 6,864.33 and 2,878.03 is: 3,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.91 : 6,864.33 = 2,878.03 : x
  2. Step 2: Convert to fraction form
    4,973.91/6,864.33 = 2,878.03/x
  3. Step 3: Cross multiply
    4,973.91x = 6,864.33 × 2,878.03
  4. Step 4: Simplify right side
    4,973.91x = 19,755,750.85
  5. Step 5: Solve for x
    x = 19,755,750.85/4,973.91
  6. Step 6: Final answer
    x = 3,971.88

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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.