Home / 8,558.63-12,839.45-3,015.18

Finding the Fourth Proportional to 8,558.63, 12,839.45 and 3,015.18

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Solution

The fourth proportional to 8,558.63, 12,839.45 and 3,015.18 is: 4,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.63 : 12,839.45 = 3,015.18 : x
  2. Step 2: Convert to fraction form
    8,558.63/12,839.45 = 3,015.18/x
  3. Step 3: Cross multiply
    8,558.63x = 12,839.45 × 3,015.18
  4. Step 4: Simplify right side
    8,558.63x = 38,713,237.78
  5. Step 5: Solve for x
    x = 38,713,237.78/8,558.63
  6. Step 6: Final answer
    x = 4,523.30

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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.