Home / 5,415.27-7,474.32-3,424.29

Finding the Fourth Proportional to 5,415.27, 7,474.32 and 3,424.29

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Solution

The fourth proportional to 5,415.27, 7,474.32 and 3,424.29 is: 4,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.27 : 7,474.32 = 3,424.29 : x
  2. Step 2: Convert to fraction form
    5,415.27/7,474.32 = 3,424.29/x
  3. Step 3: Cross multiply
    5,415.27x = 7,474.32 × 3,424.29
  4. Step 4: Simplify right side
    5,415.27x = 25,594,239.23
  5. Step 5: Solve for x
    x = 25,594,239.23/5,415.27
  6. Step 6: Final answer
    x = 4,726.31

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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.