Home / 8,382.17-11,567.75-4,797.72

Finding the Fourth Proportional to 8,382.17, 11,567.75 and 4,797.72

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Solution

The fourth proportional to 8,382.17, 11,567.75 and 4,797.72 is: 6,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.17 : 11,567.75 = 4,797.72 : x
  2. Step 2: Convert to fraction form
    8,382.17/11,567.75 = 4,797.72/x
  3. Step 3: Cross multiply
    8,382.17x = 11,567.75 × 4,797.72
  4. Step 4: Simplify right side
    8,382.17x = 55,498,801.54
  5. Step 5: Solve for x
    x = 55,498,801.54/8,382.17
  6. Step 6: Final answer
    x = 6,621.05

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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.