Home / 5,567.72-7,684.84-3,211.28

Finding the Fourth Proportional to 5,567.72, 7,684.84 and 3,211.28

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Solution

The fourth proportional to 5,567.72, 7,684.84 and 3,211.28 is: 4,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,567.72 : 7,684.84 = 3,211.28 : x
  2. Step 2: Convert to fraction form
    5,567.72/7,684.84 = 3,211.28/x
  3. Step 3: Cross multiply
    5,567.72x = 7,684.84 × 3,211.28
  4. Step 4: Simplify right side
    5,567.72x = 24,678,173.00
  5. Step 5: Solve for x
    x = 24,678,173.00/5,567.72
  6. Step 6: Final answer
    x = 4,432.37

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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.