Home / 8,058.30-12,087.45-4,170.30

Finding the Fourth Proportional to 8,058.30, 12,087.45 and 4,170.30

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Solution

The fourth proportional to 8,058.30, 12,087.45 and 4,170.30 is: 6,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.30 : 12,087.45 = 4,170.30 : x
  2. Step 2: Convert to fraction form
    8,058.30/12,087.45 = 4,170.30/x
  3. Step 3: Cross multiply
    8,058.30x = 12,087.45 × 4,170.30
  4. Step 4: Simplify right side
    8,058.30x = 50,408,292.74
  5. Step 5: Solve for x
    x = 50,408,292.74/8,058.30
  6. Step 6: Final answer
    x = 6,255.45

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Half scale
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Double scale
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Similar ratio
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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.