Home / 4,448.55-6,672.75-1,328.57

Finding the Fourth Proportional to 4,448.55, 6,672.75 and 1,328.57

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Solution

The fourth proportional to 4,448.55, 6,672.75 and 1,328.57 is: 1,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.55 : 6,672.75 = 1,328.57 : x
  2. Step 2: Convert to fraction form
    4,448.55/6,672.75 = 1,328.57/x
  3. Step 3: Cross multiply
    4,448.55x = 6,672.75 × 1,328.57
  4. Step 4: Simplify right side
    4,448.55x = 8,865,215.47
  5. Step 5: Solve for x
    x = 8,865,215.47/4,448.55
  6. Step 6: Final answer
    x = 1,992.83

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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.