Home / 7,321.17-10,983.80-2,391.11

Finding the Fourth Proportional to 7,321.17, 10,983.80 and 2,391.11

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Solution

The fourth proportional to 7,321.17, 10,983.80 and 2,391.11 is: 3,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.17 : 10,983.80 = 2,391.11 : x
  2. Step 2: Convert to fraction form
    7,321.17/10,983.80 = 2,391.11/x
  3. Step 3: Cross multiply
    7,321.17x = 10,983.80 × 2,391.11
  4. Step 4: Simplify right side
    7,321.17x = 26,263,474.02
  5. Step 5: Solve for x
    x = 26,263,474.02/7,321.17
  6. Step 6: Final answer
    x = 3,587.33

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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.