Home / 7,124.48-10,683.72-2,906.56

Finding the Fourth Proportional to 7,124.48, 10,683.72 and 2,906.56

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Solution

The fourth proportional to 7,124.48, 10,683.72 and 2,906.56 is: 4,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.48 : 10,683.72 = 2,906.56 : x
  2. Step 2: Convert to fraction form
    7,124.48/10,683.72 = 2,906.56/x
  3. Step 3: Cross multiply
    7,124.48x = 10,683.72 × 2,906.56
  4. Step 4: Simplify right side
    7,124.48x = 31,052,873.20
  5. Step 5: Solve for x
    x = 31,052,873.20/7,124.48
  6. Step 6: Final answer
    x = 4,358.62

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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.