Home / 5,112.89-7,658.09-4,225.33

Finding the Fourth Proportional to 5,112.89, 7,658.09 and 4,225.33

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Solution

The fourth proportional to 5,112.89, 7,658.09 and 4,225.33 is: 6,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.89 : 7,658.09 = 4,225.33 : x
  2. Step 2: Convert to fraction form
    5,112.89/7,658.09 = 4,225.33/x
  3. Step 3: Cross multiply
    5,112.89x = 7,658.09 × 4,225.33
  4. Step 4: Simplify right side
    5,112.89x = 32,357,985.48
  5. Step 5: Solve for x
    x = 32,357,985.48/5,112.89
  6. Step 6: Final answer
    x = 6,328.71

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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.