Home / 7,983.87-11,970.59-3,823.75

Finding the Fourth Proportional to 7,983.87, 11,970.59 and 3,823.75

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Solution

The fourth proportional to 7,983.87, 11,970.59 and 3,823.75 is: 5,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.87 : 11,970.59 = 3,823.75 : x
  2. Step 2: Convert to fraction form
    7,983.87/11,970.59 = 3,823.75/x
  3. Step 3: Cross multiply
    7,983.87x = 11,970.59 × 3,823.75
  4. Step 4: Simplify right side
    7,983.87x = 45,772,483.66
  5. Step 5: Solve for x
    x = 45,772,483.66/7,983.87
  6. Step 6: Final answer
    x = 5,733.12

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1.5x scale

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.