Home / 8,079.08-11,148.33-4,542.21

Finding the Fourth Proportional to 8,079.08, 11,148.33 and 4,542.21

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Solution

The fourth proportional to 8,079.08, 11,148.33 and 4,542.21 is: 6,267.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.08 : 11,148.33 = 4,542.21 : x
  2. Step 2: Convert to fraction form
    8,079.08/11,148.33 = 4,542.21/x
  3. Step 3: Cross multiply
    8,079.08x = 11,148.33 × 4,542.21
  4. Step 4: Simplify right side
    8,079.08x = 50,638,073.04
  5. Step 5: Solve for x
    x = 50,638,073.04/8,079.08
  6. Step 6: Final answer
    x = 6,267.81

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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.