Home / 5,418.15-8,127.23-4,705.35

Finding the Fourth Proportional to 5,418.15, 8,127.23 and 4,705.35

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Solution

The fourth proportional to 5,418.15, 8,127.23 and 4,705.35 is: 7,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.15 : 8,127.23 = 4,705.35 : x
  2. Step 2: Convert to fraction form
    5,418.15/8,127.23 = 4,705.35/x
  3. Step 3: Cross multiply
    5,418.15x = 8,127.23 × 4,705.35
  4. Step 4: Simplify right side
    5,418.15x = 38,241,438.15
  5. Step 5: Solve for x
    x = 38,241,438.15/5,418.15
  6. Step 6: Final answer
    x = 7,058.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.