Home / 6,124.72-8,448.60-3,882.80

Finding the Fourth Proportional to 6,124.72, 8,448.60 and 3,882.80

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Solution

The fourth proportional to 6,124.72, 8,448.60 and 3,882.80 is: 5,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.72 : 8,448.60 = 3,882.80 : x
  2. Step 2: Convert to fraction form
    6,124.72/8,448.60 = 3,882.80/x
  3. Step 3: Cross multiply
    6,124.72x = 8,448.60 × 3,882.80
  4. Step 4: Simplify right side
    6,124.72x = 32,804,224.08
  5. Step 5: Solve for x
    x = 32,804,224.08/6,124.72
  6. Step 6: Final answer
    x = 5,356.04

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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.