Home / 7,188.57-10,785.48-3,029.62

Finding the Fourth Proportional to 7,188.57, 10,785.48 and 3,029.62

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Solution

The fourth proportional to 7,188.57, 10,785.48 and 3,029.62 is: 4,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.57 : 10,785.48 = 3,029.62 : x
  2. Step 2: Convert to fraction form
    7,188.57/10,785.48 = 3,029.62/x
  3. Step 3: Cross multiply
    7,188.57x = 10,785.48 × 3,029.62
  4. Step 4: Simplify right side
    7,188.57x = 32,675,905.92
  5. Step 5: Solve for x
    x = 32,675,905.92/7,188.57
  6. Step 6: Final answer
    x = 4,545.54

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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.