Home / 8,176.80-11,280.21-4,817.32

Finding the Fourth Proportional to 8,176.80, 11,280.21 and 4,817.32

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Solution

The fourth proportional to 8,176.80, 11,280.21 and 4,817.32 is: 6,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.80 : 11,280.21 = 4,817.32 : x
  2. Step 2: Convert to fraction form
    8,176.80/11,280.21 = 4,817.32/x
  3. Step 3: Cross multiply
    8,176.80x = 11,280.21 × 4,817.32
  4. Step 4: Simplify right side
    8,176.80x = 54,340,425.52
  5. Step 5: Solve for x
    x = 54,340,425.52/8,176.80
  6. Step 6: Final answer
    x = 6,645.69

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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.