Home / 5,109.44-7,053.70-3,439.62

Finding the Fourth Proportional to 5,109.44, 7,053.70 and 3,439.62

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Solution

The fourth proportional to 5,109.44, 7,053.70 and 3,439.62 is: 4,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.44 : 7,053.70 = 3,439.62 : x
  2. Step 2: Convert to fraction form
    5,109.44/7,053.70 = 3,439.62/x
  3. Step 3: Cross multiply
    5,109.44x = 7,053.70 × 3,439.62
  4. Step 4: Simplify right side
    5,109.44x = 24,262,047.59
  5. Step 5: Solve for x
    x = 24,262,047.59/5,109.44
  6. Step 6: Final answer
    x = 4,748.47

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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.