Home / 5,637.77-7,776.73-3,723.60

Finding the Fourth Proportional to 5,637.77, 7,776.73 and 3,723.60

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Solution

The fourth proportional to 5,637.77, 7,776.73 and 3,723.60 is: 5,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.77 : 7,776.73 = 3,723.60 : x
  2. Step 2: Convert to fraction form
    5,637.77/7,776.73 = 3,723.60/x
  3. Step 3: Cross multiply
    5,637.77x = 7,776.73 × 3,723.60
  4. Step 4: Simplify right side
    5,637.77x = 28,957,431.83
  5. Step 5: Solve for x
    x = 28,957,431.83/5,637.77
  6. Step 6: Final answer
    x = 5,136.33

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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.