Home / 8,068.20-12,086.10-4,601.40

Finding the Fourth Proportional to 8,068.20, 12,086.10 and 4,601.40

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Solution

The fourth proportional to 8,068.20, 12,086.10 and 4,601.40 is: 6,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.20 : 12,086.10 = 4,601.40 : x
  2. Step 2: Convert to fraction form
    8,068.20/12,086.10 = 4,601.40/x
  3. Step 3: Cross multiply
    8,068.20x = 12,086.10 × 4,601.40
  4. Step 4: Simplify right side
    8,068.20x = 55,612,980.54
  5. Step 5: Solve for x
    x = 55,612,980.54/8,068.20
  6. Step 6: Final answer
    x = 6,892.86

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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.