Home / 5,561.36-7,675.34-3,203.45

Finding the Fourth Proportional to 5,561.36, 7,675.34 and 3,203.45

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Solution

The fourth proportional to 5,561.36, 7,675.34 and 3,203.45 is: 4,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.36 : 7,675.34 = 3,203.45 : x
  2. Step 2: Convert to fraction form
    5,561.36/7,675.34 = 3,203.45/x
  3. Step 3: Cross multiply
    5,561.36x = 7,675.34 × 3,203.45
  4. Step 4: Simplify right side
    5,561.36x = 24,587,513.53
  5. Step 5: Solve for x
    x = 24,587,513.53/5,561.36
  6. Step 6: Final answer
    x = 4,421.14

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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.