Home / 7,317.97-10,098.83-3,960.80

Finding the Fourth Proportional to 7,317.97, 10,098.83 and 3,960.80

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Solution

The fourth proportional to 7,317.97, 10,098.83 and 3,960.80 is: 5,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.97 : 10,098.83 = 3,960.80 : x
  2. Step 2: Convert to fraction form
    7,317.97/10,098.83 = 3,960.80/x
  3. Step 3: Cross multiply
    7,317.97x = 10,098.83 × 3,960.80
  4. Step 4: Simplify right side
    7,317.97x = 39,999,445.86
  5. Step 5: Solve for x
    x = 39,999,445.86/7,317.97
  6. Step 6: Final answer
    x = 5,465.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.