Home / 7,345.92-11,018.88-2,150.58

Finding the Fourth Proportional to 7,345.92, 11,018.88 and 2,150.58

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Solution

The fourth proportional to 7,345.92, 11,018.88 and 2,150.58 is: 3,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.92 : 11,018.88 = 2,150.58 : x
  2. Step 2: Convert to fraction form
    7,345.92/11,018.88 = 2,150.58/x
  3. Step 3: Cross multiply
    7,345.92x = 11,018.88 × 2,150.58
  4. Step 4: Simplify right side
    7,345.92x = 23,696,982.95
  5. Step 5: Solve for x
    x = 23,696,982.95/7,345.92
  6. Step 6: Final answer
    x = 3,225.87

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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.