Home / 5,440.25-7,505.01-3,200.70

Finding the Fourth Proportional to 5,440.25, 7,505.01 and 3,200.70

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Solution

The fourth proportional to 5,440.25, 7,505.01 and 3,200.70 is: 4,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.25 : 7,505.01 = 3,200.70 : x
  2. Step 2: Convert to fraction form
    5,440.25/7,505.01 = 3,200.70/x
  3. Step 3: Cross multiply
    5,440.25x = 7,505.01 × 3,200.70
  4. Step 4: Simplify right side
    5,440.25x = 24,021,285.51
  5. Step 5: Solve for x
    x = 24,021,285.51/5,440.25
  6. Step 6: Final answer
    x = 4,415.47

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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.