Home / 7,950.34-11,925.76-3,999.43

Finding the Fourth Proportional to 7,950.34, 11,925.76 and 3,999.43

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Solution

The fourth proportional to 7,950.34, 11,925.76 and 3,999.43 is: 5,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.34 : 11,925.76 = 3,999.43 : x
  2. Step 2: Convert to fraction form
    7,950.34/11,925.76 = 3,999.43/x
  3. Step 3: Cross multiply
    7,950.34x = 11,925.76 × 3,999.43
  4. Step 4: Simplify right side
    7,950.34x = 47,696,277.02
  5. Step 5: Solve for x
    x = 47,696,277.02/7,950.34
  6. Step 6: Final answer
    x = 5,999.28

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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.