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Finding the Fourth Proportional to 4,995.84, 6,893.19 and 2,898.84

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Solution

The fourth proportional to 4,995.84, 6,893.19 and 2,898.84 is: 3,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.84 : 6,893.19 = 2,898.84 : x
  2. Step 2: Convert to fraction form
    4,995.84/6,893.19 = 2,898.84/x
  3. Step 3: Cross multiply
    4,995.84x = 6,893.19 × 2,898.84
  4. Step 4: Simplify right side
    4,995.84x = 19,982,254.90
  5. Step 5: Solve for x
    x = 19,982,254.90/4,995.84
  6. Step 6: Final answer
    x = 3,999.78

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1.5x scale

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.