Home / 5,487.42-8,216.52-4,289.52

Finding the Fourth Proportional to 5,487.42, 8,216.52 and 4,289.52

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Solution

The fourth proportional to 5,487.42, 8,216.52 and 4,289.52 is: 6,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.42 : 8,216.52 = 4,289.52 : x
  2. Step 2: Convert to fraction form
    5,487.42/8,216.52 = 4,289.52/x
  3. Step 3: Cross multiply
    5,487.42x = 8,216.52 × 4,289.52
  4. Step 4: Simplify right side
    5,487.42x = 35,244,926.87
  5. Step 5: Solve for x
    x = 35,244,926.87/5,487.42
  6. Step 6: Final answer
    x = 6,422.86

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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.