Home / 5,335.76-8,006.22-2,218.16

Finding the Fourth Proportional to 5,335.76, 8,006.22 and 2,218.16

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Solution

The fourth proportional to 5,335.76, 8,006.22 and 2,218.16 is: 3,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.76 : 8,006.22 = 2,218.16 : x
  2. Step 2: Convert to fraction form
    5,335.76/8,006.22 = 2,218.16/x
  3. Step 3: Cross multiply
    5,335.76x = 8,006.22 × 2,218.16
  4. Step 4: Simplify right side
    5,335.76x = 17,759,076.96
  5. Step 5: Solve for x
    x = 17,759,076.96/5,335.76
  6. Step 6: Final answer
    x = 3,328.31

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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.