Home / 4,972.74-6,864.50-2,982.98

Finding the Fourth Proportional to 4,972.74, 6,864.50 and 2,982.98

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Solution

The fourth proportional to 4,972.74, 6,864.50 and 2,982.98 is: 4,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.74 : 6,864.50 = 2,982.98 : x
  2. Step 2: Convert to fraction form
    4,972.74/6,864.50 = 2,982.98/x
  3. Step 3: Cross multiply
    4,972.74x = 6,864.50 × 2,982.98
  4. Step 4: Simplify right side
    4,972.74x = 20,476,666.21
  5. Step 5: Solve for x
    x = 20,476,666.21/4,972.74
  6. Step 6: Final answer
    x = 4,117.78

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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.