Home / 7,154.30-10,730.92-2,223.80

Finding the Fourth Proportional to 7,154.30, 10,730.92 and 2,223.80

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Solution

The fourth proportional to 7,154.30, 10,730.92 and 2,223.80 is: 3,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.30 : 10,730.92 = 2,223.80 : x
  2. Step 2: Convert to fraction form
    7,154.30/10,730.92 = 2,223.80/x
  3. Step 3: Cross multiply
    7,154.30x = 10,730.92 × 2,223.80
  4. Step 4: Simplify right side
    7,154.30x = 23,863,419.90
  5. Step 5: Solve for x
    x = 23,863,419.90/7,154.30
  6. Step 6: Final answer
    x = 3,335.54

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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.