Home / 3,765.45-5,608.36-3,567.81

Finding the Fourth Proportional to 3,765.45, 5,608.36 and 3,567.81

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Solution

The fourth proportional to 3,765.45, 5,608.36 and 3,567.81 is: 5,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.45 : 5,608.36 = 3,567.81 : x
  2. Step 2: Convert to fraction form
    3,765.45/5,608.36 = 3,567.81/x
  3. Step 3: Cross multiply
    3,765.45x = 5,608.36 × 3,567.81
  4. Step 4: Simplify right side
    3,765.45x = 20,009,543.77
  5. Step 5: Solve for x
    x = 20,009,543.77/3,765.45
  6. Step 6: Final answer
    x = 5,313.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.