Home / 5,805.45-8,011.80-3,567.42

Finding the Fourth Proportional to 5,805.45, 8,011.80 and 3,567.42

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Solution

The fourth proportional to 5,805.45, 8,011.80 and 3,567.42 is: 4,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.45 : 8,011.80 = 3,567.42 : x
  2. Step 2: Convert to fraction form
    5,805.45/8,011.80 = 3,567.42/x
  3. Step 3: Cross multiply
    5,805.45x = 8,011.80 × 3,567.42
  4. Step 4: Simplify right side
    5,805.45x = 28,581,455.56
  5. Step 5: Solve for x
    x = 28,581,455.56/5,805.45
  6. Step 6: Final answer
    x = 4,923.21

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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.