Home / 7,321.13-10,983.08-2,938.93

Finding the Fourth Proportional to 7,321.13, 10,983.08 and 2,938.93

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Solution

The fourth proportional to 7,321.13, 10,983.08 and 2,938.93 is: 4,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.13 : 10,983.08 = 2,938.93 : x
  2. Step 2: Convert to fraction form
    7,321.13/10,983.08 = 2,938.93/x
  3. Step 3: Cross multiply
    7,321.13x = 10,983.08 × 2,938.93
  4. Step 4: Simplify right side
    7,321.13x = 32,278,503.30
  5. Step 5: Solve for x
    x = 32,278,503.30/7,321.13
  6. Step 6: Final answer
    x = 4,408.95

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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.