Home / 4,319.75-6,483.68-1,981.01

Finding the Fourth Proportional to 4,319.75, 6,483.68 and 1,981.01

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Solution

The fourth proportional to 4,319.75, 6,483.68 and 1,981.01 is: 2,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.75 : 6,483.68 = 1,981.01 : x
  2. Step 2: Convert to fraction form
    4,319.75/6,483.68 = 1,981.01/x
  3. Step 3: Cross multiply
    4,319.75x = 6,483.68 × 1,981.01
  4. Step 4: Simplify right side
    4,319.75x = 12,844,234.92
  5. Step 5: Solve for x
    x = 12,844,234.92/4,319.75
  6. Step 6: Final answer
    x = 2,973.37

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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.