Home / 8,013.57-12,020.36-3,085.53

Finding the Fourth Proportional to 8,013.57, 12,020.36 and 3,085.53

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Solution

The fourth proportional to 8,013.57, 12,020.36 and 3,085.53 is: 4,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.57 : 12,020.36 = 3,085.53 : x
  2. Step 2: Convert to fraction form
    8,013.57/12,020.36 = 3,085.53/x
  3. Step 3: Cross multiply
    8,013.57x = 12,020.36 × 3,085.53
  4. Step 4: Simplify right side
    8,013.57x = 37,089,165.96
  5. Step 5: Solve for x
    x = 37,089,165.96/8,013.57
  6. Step 6: Final answer
    x = 4,628.30

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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.