Home / 8,058.20-12,085.88-2,213.40

Finding the Fourth Proportional to 8,058.20, 12,085.88 and 2,213.40

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Solution

The fourth proportional to 8,058.20, 12,085.88 and 2,213.40 is: 3,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.20 : 12,085.88 = 2,213.40 : x
  2. Step 2: Convert to fraction form
    8,058.20/12,085.88 = 2,213.40/x
  3. Step 3: Cross multiply
    8,058.20x = 12,085.88 × 2,213.40
  4. Step 4: Simplify right side
    8,058.20x = 26,750,886.79
  5. Step 5: Solve for x
    x = 26,750,886.79/8,058.20
  6. Step 6: Final answer
    x = 3,319.71

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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.