Home / 3,669.09-5,503.57-1,477.77

Finding the Fourth Proportional to 3,669.09, 5,503.57 and 1,477.77

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Solution

The fourth proportional to 3,669.09, 5,503.57 and 1,477.77 is: 2,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.09 : 5,503.57 = 1,477.77 : x
  2. Step 2: Convert to fraction form
    3,669.09/5,503.57 = 1,477.77/x
  3. Step 3: Cross multiply
    3,669.09x = 5,503.57 × 1,477.77
  4. Step 4: Simplify right side
    3,669.09x = 8,133,010.64
  5. Step 5: Solve for x
    x = 8,133,010.64/3,669.09
  6. Step 6: Final answer
    x = 2,216.63

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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.