Home / 5,228.41-7,214.36-2,989.93

Finding the Fourth Proportional to 5,228.41, 7,214.36 and 2,989.93

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Solution

The fourth proportional to 5,228.41, 7,214.36 and 2,989.93 is: 4,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.41 : 7,214.36 = 2,989.93 : x
  2. Step 2: Convert to fraction form
    5,228.41/7,214.36 = 2,989.93/x
  3. Step 3: Cross multiply
    5,228.41x = 7,214.36 × 2,989.93
  4. Step 4: Simplify right side
    5,228.41x = 21,570,380.37
  5. Step 5: Solve for x
    x = 21,570,380.37/5,228.41
  6. Step 6: Final answer
    x = 4,125.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.