Home / 5,284.38-7,289.22-3,395.34

Finding the Fourth Proportional to 5,284.38, 7,289.22 and 3,395.34

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Solution

The fourth proportional to 5,284.38, 7,289.22 and 3,395.34 is: 4,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.38 : 7,289.22 = 3,395.34 : x
  2. Step 2: Convert to fraction form
    5,284.38/7,289.22 = 3,395.34/x
  3. Step 3: Cross multiply
    5,284.38x = 7,289.22 × 3,395.34
  4. Step 4: Simplify right side
    5,284.38x = 24,749,380.23
  5. Step 5: Solve for x
    x = 24,749,380.23/5,284.38
  6. Step 6: Final answer
    x = 4,683.50

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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.