Home / 5,391.64-7,440.39-3,033.79

Finding the Fourth Proportional to 5,391.64, 7,440.39 and 3,033.79

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Solution

The fourth proportional to 5,391.64, 7,440.39 and 3,033.79 is: 4,186.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.64 : 7,440.39 = 3,033.79 : x
  2. Step 2: Convert to fraction form
    5,391.64/7,440.39 = 3,033.79/x
  3. Step 3: Cross multiply
    5,391.64x = 7,440.39 × 3,033.79
  4. Step 4: Simplify right side
    5,391.64x = 22,572,580.78
  5. Step 5: Solve for x
    x = 22,572,580.78/5,391.64
  6. Step 6: Final answer
    x = 4,186.59

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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.