Home / 7,188.08-10,782.42-2,508.56

Finding the Fourth Proportional to 7,188.08, 10,782.42 and 2,508.56

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Solution

The fourth proportional to 7,188.08, 10,782.42 and 2,508.56 is: 3,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.08 : 10,782.42 = 2,508.56 : x
  2. Step 2: Convert to fraction form
    7,188.08/10,782.42 = 2,508.56/x
  3. Step 3: Cross multiply
    7,188.08x = 10,782.42 × 2,508.56
  4. Step 4: Simplify right side
    7,188.08x = 27,048,293.60
  5. Step 5: Solve for x
    x = 27,048,293.60/7,188.08
  6. Step 6: Final answer
    x = 3,762.94

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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.