Home / 5,405.26-7,463.91-3,419.34

Finding the Fourth Proportional to 5,405.26, 7,463.91 and 3,419.34

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Solution

The fourth proportional to 5,405.26, 7,463.91 and 3,419.34 is: 4,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.26 : 7,463.91 = 3,419.34 : x
  2. Step 2: Convert to fraction form
    5,405.26/7,463.91 = 3,419.34/x
  3. Step 3: Cross multiply
    5,405.26x = 7,463.91 × 3,419.34
  4. Step 4: Simplify right side
    5,405.26x = 25,521,653.60
  5. Step 5: Solve for x
    x = 25,521,653.60/5,405.26
  6. Step 6: Final answer
    x = 4,721.63

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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.