Home / 7,999.14-12,002.58-3,322.74

Finding the Fourth Proportional to 7,999.14, 12,002.58 and 3,322.74

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Solution

The fourth proportional to 7,999.14, 12,002.58 and 3,322.74 is: 4,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.14 : 12,002.58 = 3,322.74 : x
  2. Step 2: Convert to fraction form
    7,999.14/12,002.58 = 3,322.74/x
  3. Step 3: Cross multiply
    7,999.14x = 12,002.58 × 3,322.74
  4. Step 4: Simplify right side
    7,999.14x = 39,881,452.67
  5. Step 5: Solve for x
    x = 39,881,452.67/7,999.14
  6. Step 6: Final answer
    x = 4,985.72

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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.