Home / 7,200.70-9,936.92-4,056.92

Finding the Fourth Proportional to 7,200.70, 9,936.92 and 4,056.92

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Solution

The fourth proportional to 7,200.70, 9,936.92 and 4,056.92 is: 5,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.70 : 9,936.92 = 4,056.92 : x
  2. Step 2: Convert to fraction form
    7,200.70/9,936.92 = 4,056.92/x
  3. Step 3: Cross multiply
    7,200.70x = 9,936.92 × 4,056.92
  4. Step 4: Simplify right side
    7,200.70x = 40,313,289.49
  5. Step 5: Solve for x
    x = 40,313,289.49/7,200.70
  6. Step 6: Final answer
    x = 5,598.52

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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.