Home / 4,640.61-6,412.52-3,379.47

Finding the Fourth Proportional to 4,640.61, 6,412.52 and 3,379.47

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Solution

The fourth proportional to 4,640.61, 6,412.52 and 3,379.47 is: 4,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.61 : 6,412.52 = 3,379.47 : x
  2. Step 2: Convert to fraction form
    4,640.61/6,412.52 = 3,379.47/x
  3. Step 3: Cross multiply
    4,640.61x = 6,412.52 × 3,379.47
  4. Step 4: Simplify right side
    4,640.61x = 21,670,902.07
  5. Step 5: Solve for x
    x = 21,670,902.07/4,640.61
  6. Step 6: Final answer
    x = 4,669.84

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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.