Home / 4,982.40-7,473.81-1,862.09

Finding the Fourth Proportional to 4,982.40, 7,473.81 and 1,862.09

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Solution

The fourth proportional to 4,982.40, 7,473.81 and 1,862.09 is: 2,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.40 : 7,473.81 = 1,862.09 : x
  2. Step 2: Convert to fraction form
    4,982.40/7,473.81 = 1,862.09/x
  3. Step 3: Cross multiply
    4,982.40x = 7,473.81 × 1,862.09
  4. Step 4: Simplify right side
    4,982.40x = 13,916,925.55
  5. Step 5: Solve for x
    x = 13,916,925.55/4,982.40
  6. Step 6: Final answer
    x = 2,793.22

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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.