Home / 4,904.50-7,358.38-1,981.22

Finding the Fourth Proportional to 4,904.50, 7,358.38 and 1,981.22

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Solution

The fourth proportional to 4,904.50, 7,358.38 and 1,981.22 is: 2,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.50 : 7,358.38 = 1,981.22 : x
  2. Step 2: Convert to fraction form
    4,904.50/7,358.38 = 1,981.22/x
  3. Step 3: Cross multiply
    4,904.50x = 7,358.38 × 1,981.22
  4. Step 4: Simplify right side
    4,904.50x = 14,578,569.62
  5. Step 5: Solve for x
    x = 14,578,569.62/4,904.50
  6. Step 6: Final answer
    x = 2,972.49

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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.