Home / 8,558.10-12,843.63-5,778.18

Finding the Fourth Proportional to 8,558.10, 12,843.63 and 5,778.18

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Solution

The fourth proportional to 8,558.10, 12,843.63 and 5,778.18 is: 8,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.10 : 12,843.63 = 5,778.18 : x
  2. Step 2: Convert to fraction form
    8,558.10/12,843.63 = 5,778.18/x
  3. Step 3: Cross multiply
    8,558.10x = 12,843.63 × 5,778.18
  4. Step 4: Simplify right side
    8,558.10x = 74,212,805.99
  5. Step 5: Solve for x
    x = 74,212,805.99/8,558.10
  6. Step 6: Final answer
    x = 8,671.65

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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.