Home / 8,832.90-13,245.06-5,136.20

Finding the Fourth Proportional to 8,832.90, 13,245.06 and 5,136.20

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Solution

The fourth proportional to 8,832.90, 13,245.06 and 5,136.20 is: 7,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.90 : 13,245.06 = 5,136.20 : x
  2. Step 2: Convert to fraction form
    8,832.90/13,245.06 = 5,136.20/x
  3. Step 3: Cross multiply
    8,832.90x = 13,245.06 × 5,136.20
  4. Step 4: Simplify right side
    8,832.90x = 68,029,277.17
  5. Step 5: Solve for x
    x = 68,029,277.17/8,832.90
  6. Step 6: Final answer
    x = 7,701.81

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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.