Home / 7,321.34-10,981.38-2,055.92

Finding the Fourth Proportional to 7,321.34, 10,981.38 and 2,055.92

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Solution

The fourth proportional to 7,321.34, 10,981.38 and 2,055.92 is: 3,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.34 : 10,981.38 = 2,055.92 : x
  2. Step 2: Convert to fraction form
    7,321.34/10,981.38 = 2,055.92/x
  3. Step 3: Cross multiply
    7,321.34x = 10,981.38 × 2,055.92
  4. Step 4: Simplify right side
    7,321.34x = 22,576,838.77
  5. Step 5: Solve for x
    x = 22,576,838.77/7,321.34
  6. Step 6: Final answer
    x = 3,083.70

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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.