Home / 4,753.07-7,125.76-1,981.82

Finding the Fourth Proportional to 4,753.07, 7,125.76 and 1,981.82

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Solution

The fourth proportional to 4,753.07, 7,125.76 and 1,981.82 is: 2,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.07 : 7,125.76 = 1,981.82 : x
  2. Step 2: Convert to fraction form
    4,753.07/7,125.76 = 1,981.82/x
  3. Step 3: Cross multiply
    4,753.07x = 7,125.76 × 1,981.82
  4. Step 4: Simplify right side
    4,753.07x = 14,121,940.53
  5. Step 5: Solve for x
    x = 14,121,940.53/4,753.07
  6. Step 6: Final answer
    x = 2,971.12

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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.