Home / 5,127.22-7,690.83-3,669.22

Finding the Fourth Proportional to 5,127.22, 7,690.83 and 3,669.22

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Solution

The fourth proportional to 5,127.22, 7,690.83 and 3,669.22 is: 5,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.22 : 7,690.83 = 3,669.22 : x
  2. Step 2: Convert to fraction form
    5,127.22/7,690.83 = 3,669.22/x
  3. Step 3: Cross multiply
    5,127.22x = 7,690.83 × 3,669.22
  4. Step 4: Simplify right side
    5,127.22x = 28,219,347.25
  5. Step 5: Solve for x
    x = 28,219,347.25/5,127.22
  6. Step 6: Final answer
    x = 5,503.83

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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.