Home / 5,989.37-8,270.19-5,358.78

Finding the Fourth Proportional to 5,989.37, 8,270.19 and 5,358.78

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Solution

The fourth proportional to 5,989.37, 8,270.19 and 5,358.78 is: 7,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.37 : 8,270.19 = 5,358.78 : x
  2. Step 2: Convert to fraction form
    5,989.37/8,270.19 = 5,358.78/x
  3. Step 3: Cross multiply
    5,989.37x = 8,270.19 × 5,358.78
  4. Step 4: Simplify right side
    5,989.37x = 44,318,128.77
  5. Step 5: Solve for x
    x = 44,318,128.77/5,989.37
  6. Step 6: Final answer
    x = 7,399.47

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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.