Home / 4,186.08-5,776.92-3,136.32

Finding the Fourth Proportional to 4,186.08, 5,776.92 and 3,136.32

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Solution

The fourth proportional to 4,186.08, 5,776.92 and 3,136.32 is: 4,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.08 : 5,776.92 = 3,136.32 : x
  2. Step 2: Convert to fraction form
    4,186.08/5,776.92 = 3,136.32/x
  3. Step 3: Cross multiply
    4,186.08x = 5,776.92 × 3,136.32
  4. Step 4: Simplify right side
    4,186.08x = 18,118,269.73
  5. Step 5: Solve for x
    x = 18,118,269.73/4,186.08
  6. Step 6: Final answer
    x = 4,328.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.