Home / 5,412.47-8,123.70-3,336.50

Finding the Fourth Proportional to 5,412.47, 8,123.70 and 3,336.50

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Solution

The fourth proportional to 5,412.47, 8,123.70 and 3,336.50 is: 5,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.47 : 8,123.70 = 3,336.50 : x
  2. Step 2: Convert to fraction form
    5,412.47/8,123.70 = 3,336.50/x
  3. Step 3: Cross multiply
    5,412.47x = 8,123.70 × 3,336.50
  4. Step 4: Simplify right side
    5,412.47x = 27,104,684.43
  5. Step 5: Solve for x
    x = 27,104,684.43/5,412.47
  6. Step 6: Final answer
    x = 5,007.83

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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.