Home / 5,103.20-7,647.62-4,058.57

Finding the Fourth Proportional to 5,103.20, 7,647.62 and 4,058.57

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Solution

The fourth proportional to 5,103.20, 7,647.62 and 4,058.57 is: 6,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.20 : 7,647.62 = 4,058.57 : x
  2. Step 2: Convert to fraction form
    5,103.20/7,647.62 = 4,058.57/x
  3. Step 3: Cross multiply
    5,103.20x = 7,647.62 × 4,058.57
  4. Step 4: Simplify right side
    5,103.20x = 31,038,399.93
  5. Step 5: Solve for x
    x = 31,038,399.93/5,103.20
  6. Step 6: Final answer
    x = 6,082.14

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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.