Home / 8,058.40-12,082.36-3,381.42

Finding the Fourth Proportional to 8,058.40, 12,082.36 and 3,381.42

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Solution

The fourth proportional to 8,058.40, 12,082.36 and 3,381.42 is: 5,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.40 : 12,082.36 = 3,381.42 : x
  2. Step 2: Convert to fraction form
    8,058.40/12,082.36 = 3,381.42/x
  3. Step 3: Cross multiply
    8,058.40x = 12,082.36 × 3,381.42
  4. Step 4: Simplify right side
    8,058.40x = 40,855,533.75
  5. Step 5: Solve for x
    x = 40,855,533.75/8,058.40
  6. Step 6: Final answer
    x = 5,069.93

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1.5x scale

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.